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-rw-r--r--www-client/chromium/files/chromium-137-compiler-r1.patch384
-rw-r--r--www-client/chromium/files/chromium-137-gn-exec_script_allowlist.patch64
-rw-r--r--www-client/chromium/files/chromium-137-mv2-ungoogled-r1.patch183
3 files changed, 631 insertions, 0 deletions
diff --git a/www-client/chromium/files/chromium-137-compiler-r1.patch b/www-client/chromium/files/chromium-137-compiler-r1.patch
new file mode 100644
index 0000000..07680c9
--- /dev/null
+++ b/www-client/chromium/files/chromium-137-compiler-r1.patch
@@ -0,0 +1,384 @@
+diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
+index edaa614330..89297c27ab 100644
+--- a/build/config/compiler/BUILD.gn
++++ b/build/config/compiler/BUILD.gn
+@@ -307,12 +307,8 @@ config("compiler") {
+
+ configs += [
+ # See the definitions below.
+- ":clang_revision",
+- ":rustc_revision",
+- ":compiler_cpu_abi",
+ ":compiler_codegen",
+ ":compiler_deterministic",
+- ":clang_warning_suppression",
+ ]
+
+ # Here we enable -fno-delete-null-pointer-checks, which makes various nullptr
+@@ -492,6 +488,9 @@ config("compiler") {
+ ldflags += [ "-fPIC" ]
+ rustflags += [ "-Crelocation-model=pic" ]
+
++ extra_rustflags = getenv("RUSTFLAGS")
++ rustflags += [ extra_rustflags ]
++
+ if (!is_clang) {
+ # Use pipes for communicating between sub-processes. Faster.
+ # (This flag doesn't do anything with Clang.)
+@@ -568,62 +567,6 @@ config("compiler") {
+ ldflags += [ "-Wl,-z,keep-text-section-prefix" ]
+ }
+
+- if (is_clang && !is_nacl) {
+- cflags += [ "-fcrash-diagnostics-dir=" + clang_diagnostic_dir ]
+- if (save_reproducers_on_lld_crash && use_lld) {
+- ldflags += [
+- "-fcrash-diagnostics=all",
+- "-fcrash-diagnostics-dir=" + clang_diagnostic_dir,
+- ]
+- }
+-
+- # TODO(hans): Remove this once Clang generates better optimized debug info
+- # by default. https://crbug.com/765793
+- cflags += [
+- "-mllvm",
+- "-instcombine-lower-dbg-declare=0",
+- ]
+- if (!is_debug && use_thin_lto && is_a_target_toolchain) {
+- if (is_win) {
+- ldflags += [ "-mllvm:-instcombine-lower-dbg-declare=0" ]
+- } else {
+- ldflags += [ "-Wl,-mllvm,-instcombine-lower-dbg-declare=0" ]
+- }
+- }
+-
+- # TODO(crbug.com/40283598): This causes binary size growth and potentially
+- # other problems.
+- # TODO(crbug.com/40284925): This isn't supported by Cronet's mainline llvm version.
+- if (default_toolchain != "//build/toolchain/cros:target" &&
+- !llvm_android_mainline) {
+- cflags += [
+- "-mllvm",
+- "-split-threshold-for-reg-with-hint=0",
+- ]
+- if (use_thin_lto && is_a_target_toolchain) {
+- if (is_win) {
+- ldflags += [ "-mllvm:-split-threshold-for-reg-with-hint=0" ]
+- } else {
+- ldflags += [ "-Wl,-mllvm,-split-threshold-for-reg-with-hint=0" ]
+- }
+- }
+- }
+-
+- # TODO(crbug.com/40192287): Investigate why/if this should be needed.
+- if (is_win) {
+- cflags += [ "/clang:-ffp-contract=off" ]
+- } else {
+- cflags += [ "-ffp-contract=off" ]
+- }
+-
+- # Enable ELF CREL (see crbug.com/357878242) for all platforms that use ELF
+- # (excluding toolchains that use an older version of LLVM).
+- if (is_linux && use_lld && !llvm_android_mainline &&
+- default_toolchain != "//build/toolchain/cros:target") {
+- cflags += [ "-Wa,--crel,--allow-experimental-crel" ]
+- }
+- }
+-
+ # C11/C++11 compiler flags setup.
+ # ---------------------------
+ if (is_linux || is_chromeos || is_android || (is_nacl && is_clang) ||
+@@ -1034,20 +977,6 @@ config("compiler") {
+ # `-nodefaultlibs` from the linker invocation from Rust, which would be used
+ # to compile dylibs on Android, such as for constructing unit test APKs.
+ "-Cdefault-linker-libraries",
+-
+- # To make Rust .d files compatible with ninja
+- "-Zdep-info-omit-d-target",
+-
+- # If a macro panics during compilation, show which macro and where it is
+- # defined.
+- "-Zmacro-backtrace",
+-
+- # For deterministic builds, keep the local machine's current working
+- # directory from appearing in build outputs.
+- "-Zremap-cwd-prefix=.",
+-
+- # We use clang-rt sanitizer runtimes.
+- "-Zexternal-clangrt",
+ ]
+
+ if (!is_win || force_rustc_color_output) {
+@@ -1096,7 +1025,7 @@ config("compiler") {
+ # Don't allow unstable features to be enabled by `#![feature()]` without
+ # additional command line flags.
+ config("disallow_unstable_features") {
+- rustflags = [ "-Zallow-features=" ]
++ #rustflags = [ "-Zallow-features=" ]
+ }
+
+ config("libcxx_hardening") {
+@@ -1555,52 +1484,6 @@ config("compiler_deterministic") {
+ }
+ }
+
+- # Makes builds independent of absolute file path.
+- if (is_clang && strip_absolute_paths_from_debug_symbols) {
+- # If debug option is given, clang includes $cwd in debug info by default.
+- # For such build, this flag generates reproducible obj files even we use
+- # different build directory like "out/feature_a" and "out/feature_b" if
+- # we build same files with same compile flag.
+- # Other paths are already given in relative, no need to normalize them.
+- if (is_nacl) {
+- # TODO(https://crbug.com/1231236): Use -ffile-compilation-dir= here.
+- cflags += [
+- "-Xclang",
+- "-fdebug-compilation-dir",
+- "-Xclang",
+- ".",
+- ]
+- } else {
+- # -ffile-compilation-dir is an alias for both -fdebug-compilation-dir=
+- # and -fcoverage-compilation-dir=.
+- cflags += [ "-ffile-compilation-dir=." ]
+-
+- # Convert absolute paths to relative paths. Expands to, for example:
+- # -file-prefix-map /path/to/chromium/src=../..
+- swiftflags += [
+- "-file-prefix-map",
+- rebase_path("//.", "") + "=" + rebase_path("//.", root_build_dir),
+- ]
+- }
+- if (!is_win) {
+- # We don't use clang -cc1as on Windows (yet? https://crbug.com/762167)
+- asmflags = [ "-Wa,-fdebug-compilation-dir,." ]
+- }
+-
+- if (is_win && use_lld) {
+- if (symbol_level == 2 || (is_clang && using_sanitizer)) {
+- # Absolutize source file paths for PDB. Pass the real build directory
+- # if the pdb contains source-level debug information and if linker
+- # reproducibility is not critical.
+- ldflags += [ "/PDBSourcePath:" + rebase_path(root_build_dir) ]
+- } else {
+- # Use a fake fixed base directory for paths in the pdb to make the pdb
+- # output fully deterministic and independent of the build directory.
+- ldflags += [ "/PDBSourcePath:o:\fake\prefix" ]
+- }
+- }
+- }
+-
+ # Tells the compiler not to use absolute paths when passing the default
+ # paths to the tools it invokes. We don't want this because we don't
+ # really need it and it can mess up the RBE cache entries.
+@@ -1619,65 +1502,6 @@ config("compiler_deterministic") {
+ }
+ }
+
+-config("clang_revision") {
+- if (is_clang && clang_base_path == default_clang_base_path &&
+- current_os != "zos") {
+- update_args = [
+- "--print-revision",
+- "--verify-version=$clang_version",
+- ]
+- if (llvm_force_head_revision) {
+- update_args += [ "--llvm-force-head-revision" ]
+- }
+- clang_revision = exec_script("//tools/clang/scripts/update.py",
+- update_args,
+- "trim string")
+-
+- # This is here so that all files get recompiled after a clang roll and
+- # when turning clang on or off. (defines are passed via the command line,
+- # and build system rebuild things when their commandline changes). Nothing
+- # should ever read this define.
+- defines = [ "CR_CLANG_REVISION=\"$clang_revision\"" ]
+- }
+-}
+-
+-# Controls the usage of a warning suppression mapping (WSM) file to suppress
+-# warnings based on the path of the file they come from. It's controlled by the
+-# `clang_warning_suppression_file` gn argument , which points to a text file
+-# defining which warnings should be suppressed where.
+-# See //build/config/warning_suppression.txt for an example file; this is the
+-# file used by Chromium.
+-#
+-# To use a different file, or to use this functionality outside of chromium,
+-# set the `clang_warning_suppression_file` argument to point to the new file,
+-# e.g. by setting in the the project's .gn file.
+-config("clang_warning_suppression") {
+- # Some build configs use older versions of clang that don't support WSMs
+- if (!is_nacl && default_toolchain != "//build/toolchain/cros:target" &&
+- !llvm_android_mainline && is_clang &&
+- clang_warning_suppression_file != "") {
+- from_build_root =
+- rebase_path(clang_warning_suppression_file, root_build_dir)
+- inputs = [ clang_warning_suppression_file ]
+- cflags = [
+- "-Xclang",
+- "--warning-suppression-mappings=" + from_build_root,
+- ]
+- }
+-}
+-
+-config("rustc_revision") {
+- if (rustc_revision != "") {
+- # Similar to the above config, this is here so that all files get recompiled
+- # after a rustc roll. Nothing should ever read this cfg. This will not be
+- # set if a custom toolchain is used.
+- rustflags = [
+- "--cfg",
+- "cr_rustc_revision=\"$rustc_revision\"",
+- ]
+- }
+-}
+-
+ config("compiler_arm_fpu") {
+ if (current_cpu == "arm" && !is_ios && !is_nacl) {
+ cflags = [ "-mfpu=$arm_fpu" ]
+@@ -2113,11 +1937,7 @@ config("chromium_code") {
+ defines = [ "_HAS_NODISCARD" ]
+ }
+ } else {
+- cflags = [ "-Wall" ]
+- if (is_clang) {
+- # Enable extra warnings for chromium_code when we control the compiler.
+- cflags += [ "-Wextra" ]
+- }
++ cflags = [ ]
+
+ # In Chromium code, we define __STDC_foo_MACROS in order to get the
+ # C99 macros on Mac and Linux.
+@@ -2126,24 +1946,6 @@ config("chromium_code") {
+ "__STDC_FORMAT_MACROS",
+ ]
+
+- if (!is_debug && !using_sanitizer && current_cpu != "s390x" &&
+- current_cpu != "s390" && current_cpu != "ppc64" &&
+- current_cpu != "mips" && current_cpu != "mips64" &&
+- current_cpu != "riscv64" && current_cpu != "loong64") {
+- # Non-chromium code is not guaranteed to compile cleanly with
+- # _FORTIFY_SOURCE. Also, fortified build may fail when optimizations are
+- # disabled, so only do that for Release build.
+- fortify_level = "2"
+-
+- # ChromeOS's toolchain supports a high-quality _FORTIFY_SOURCE=3
+- # implementation with a few custom glibc patches. Use that if it's
+- # available.
+- if (is_chromeos_device && !lacros_use_chromium_toolchain) {
+- fortify_level = "3"
+- }
+- defines += [ "_FORTIFY_SOURCE=" + fortify_level ]
+- }
+-
+ if (is_apple) {
+ cflags_objc = [ "-Wimplicit-retain-self" ]
+ cflags_objcc = [ "-Wimplicit-retain-self" ]
+@@ -2559,7 +2361,8 @@ config("default_stack_frames") {
+ # [0]: https://pinpoint-dot-chromeperf.appspot.com/job/147634a8be0000
+ # [1]: https://pinpoint-dot-chromeperf.appspot.com/job/132bc772be0000
+ # [2]: https://crrev.com/c/5447532
+-config("optimize") {
++config("optimize") { }
++config("xoptimize") {
+ if (is_win) {
+ # clang-cl's /O2 corresponds to clang's -O3, and really want -O2 for
+ # consistency with the other platforms.
+@@ -2608,7 +2411,8 @@ config("optimize") {
+ }
+
+ # Turn off optimizations.
+-config("no_optimize") {
++config("no_optimize") { }
++config("xno_optimize") {
+ if (is_win) {
+ cflags = [
+ "/Od", # Disable optimization.
+@@ -2643,7 +2447,8 @@ config("no_optimize") {
+ # Turns up the optimization level. Used to explicitly enable -O2 instead of
+ # -Os for select targets on platforms that use optimize_for_size. No-op
+ # elsewhere.
+-config("optimize_max") {
++config("optimize_max") { }
++config("xoptimize_max") {
+ if (is_nacl && is_nacl_irt) {
+ # The NaCl IRT is a special case and always wants its own config.
+ # Various components do:
+@@ -2676,7 +2481,8 @@ config("optimize_max") {
+ #
+ # TODO(crbug.com/41259697) - rework how all of these configs are related
+ # so that we don't need this disclaimer.
+-config("optimize_speed") {
++config("optimize_speed") { }
++config("xoptimize_speed") {
+ if (is_nacl && is_nacl_irt) {
+ # The NaCl IRT is a special case and always wants its own config.
+ # Various components do:
+@@ -2705,7 +2511,8 @@ config("optimize_speed") {
+ }
+ }
+
+-config("optimize_fuzzing") {
++config("optimize_fuzzing") { }
++config("xoptimize_fuzzing") {
+ cflags = [ "-O1" ] + common_optimize_on_cflags
+ rustflags = [ "-Copt-level=1" ]
+ ldflags = common_optimize_on_ldflags
+@@ -2836,7 +2643,8 @@ config("win_pdbaltpath") {
+ }
+
+ # Full symbols.
+-config("symbols") {
++config("symbols") { }
++config("xsymbols") {
+ rustflags = []
+ configs = []
+ if (is_win) {
+@@ -2998,7 +2806,8 @@ config("symbols") {
+ # Minimal symbols.
+ # This config guarantees to hold symbol for stack trace which are shown to user
+ # when crash happens in unittests running on buildbot.
+-config("minimal_symbols") {
++config("minimal_symbols") { }
++config("xminimal_symbols") {
+ rustflags = []
+ if (is_win) {
+ # Functions, files, and line tables only.
+@@ -3083,7 +2892,8 @@ config("minimal_symbols") {
+ # This configuration contains function names only. That is, the compiler is
+ # told to not generate debug information and the linker then just puts function
+ # names in the final debug information.
+-config("no_symbols") {
++config("no_symbols") { }
++config("xno_symbols") {
+ if (is_win) {
+ ldflags = [ "/DEBUG" ]
+
+diff --git a/build/config/gcc/BUILD.gn b/build/config/gcc/BUILD.gn
+index a659210b19..bde0e1b273 100644
+--- a/build/config/gcc/BUILD.gn
++++ b/build/config/gcc/BUILD.gn
+@@ -32,7 +32,7 @@ declare_args() {
+ # See http://gcc.gnu.org/wiki/Visibility
+ config("symbol_visibility_hidden") {
+ cflags = [ "-fvisibility=hidden" ]
+- rustflags = [ "-Zdefault-visibility=hidden" ]
++ # rustflags = [ "-Zdefault-visibility=hidden" ]
+
+ # Visibility attribute is not supported on AIX.
+ if (current_os != "aix") {
+diff --git a/build/config/rust.gni b/build/config/rust.gni
+index 4b66d4e809..9cd3dd2124 100644
+--- a/build/config/rust.gni
++++ b/build/config/rust.gni
+@@ -84,7 +84,8 @@ declare_args() {
+ #
+ # TODO(crbug.com/40281834): Re-enable ThinLTO for Rust on LaCrOS
+ # TODO(b/300937673): Re-enable ThinLTO for Rust on ash-chrome
+- toolchain_supports_rust_thin_lto = !is_chromeos
++ # toolchain_supports_rust_thin_lto = !is_chromeos
++ toolchain_supports_rust_thin_lto = false
+
+ # Any extra std rlibs in your Rust toolchain, relative to the standard
+ # Rust toolchain. Typically used with 'rust_sysroot_absolute'
diff --git a/www-client/chromium/files/chromium-137-gn-exec_script_allowlist.patch b/www-client/chromium/files/chromium-137-gn-exec_script_allowlist.patch
new file mode 100644
index 0000000..fb4fe68
--- /dev/null
+++ b/www-client/chromium/files/chromium-137-gn-exec_script_allowlist.patch
@@ -0,0 +1,64 @@
+diff --git a/.gn b/.gn
+index b8756e5390..823ccac2ab 100644
+--- a/.gn
++++ b/.gn
+@@ -146,31 +146,31 @@ no_check_targets = [
+ # this situation much easier to create. if the build always lists the
+ # files and passes them to a script, it will always be correct.
+
+-exec_script_allowlist =
+- build_dotfile_settings.exec_script_allowlist +
+- angle_dotfile_settings.exec_script_allowlist +
+- [
+- # Allowlist entries for //build should go into
+- # //build/dotfile_settings.gni instead, so that they can be shared
+- # with other repos. The entries in this list should be only for files
+- # in the Chromium repo outside of //build.
+- "//build_overrides/build.gni",
+-
+- "//chrome/android/webapk/shell_apk/prepare_upload_dir/BUILD.gn",
+- "//chrome/version.gni",
+-
+- # TODO(dgn): Layer violation but breaks the build otherwise, see
+- # https://crbug.com/474506.
+- "//clank/java/BUILD.gn",
+- "//clank/native/BUILD.gn",
+-
+- "//google_apis/BUILD.gn",
+- "//printing/BUILD.gn",
+-
+- "//remoting/host/installer/linux/BUILD.gn",
+- "//remoting/remoting_version.gni",
+- "//remoting/host/installer/win/generate_clsids.gni",
+-
+- "//tools/grit/grit_rule.gni",
+- "//tools/gritsettings/BUILD.gn",
+- ]
++#exec_script_allowlist =
++# build_dotfile_settings.exec_script_allowlist +
++# angle_dotfile_settings.exec_script_allowlist +
++# [
++# # Allowlist entries for //build should go into
++# # //build/dotfile_settings.gni instead, so that they can be shared
++# # with other repos. The entries in this list should be only for files
++# # in the Chromium repo outside of //build.
++# "//build_overrides/build.gni",
++#
++# "//chrome/android/webapk/shell_apk/prepare_upload_dir/BUILD.gn",
++# "//chrome/version.gni",
++#
++# # TODO(dgn): Layer violation but breaks the build otherwise, see
++# # https://crbug.com/474506.
++# "//clank/java/BUILD.gn",
++# "//clank/native/BUILD.gn",
++#
++# "//google_apis/BUILD.gn",
++# "//printing/BUILD.gn",
++#
++# "//remoting/host/installer/linux/BUILD.gn",
++# "//remoting/remoting_version.gni",
++# "//remoting/host/installer/win/generate_clsids.gni",
++#
++# "//tools/grit/grit_rule.gni",
++# "//tools/gritsettings/BUILD.gn",
++# ]
diff --git a/www-client/chromium/files/chromium-137-mv2-ungoogled-r1.patch b/www-client/chromium/files/chromium-137-mv2-ungoogled-r1.patch
new file mode 100644
index 0000000..b813cce
--- /dev/null
+++ b/www-client/chromium/files/chromium-137-mv2-ungoogled-r1.patch
@@ -0,0 +1,183 @@
+diff --git a/chrome/browser/extensions/api/developer_private/extension_info_generator_desktop.cc b/chrome/browser/extensions/api/developer_private/extension_info_generator_desktop.cc
+index f1fa171180..73069f1456 100644
+--- a/chrome/browser/extensions/api/developer_private/extension_info_generator_desktop.cc
++++ b/chrome/browser/extensions/api/developer_private/extension_info_generator_desktop.cc
+@@ -131,17 +131,6 @@ void ExtensionInfoGenerator::FillExtensionInfo(
+ info.controlled_info.emplace();
+ info.controlled_info->text =
+ l10n_util::GetStringUTF8(IDS_EXTENSIONS_INSTALL_LOCATION_ENTERPRISE);
+- } else {
+- // Create Safety Hub information for any non-enterprise extension.
+- developer::SafetyCheckWarningReason warning_reason =
+- ExtensionSafetyCheckUtils::GetSafetyCheckWarningReason(extension,
+- profile);
+- if (warning_reason != developer::SafetyCheckWarningReason::kNone) {
+- info.safety_check_warning_reason = warning_reason;
+- info.safety_check_text =
+- ExtensionSafetyCheckUtils::GetSafetyCheckWarningStrings(
+- warning_reason, state);
+- }
+ }
+
+ bool is_enabled = state == developer::ExtensionState::kEnabled;
+diff --git a/chrome/browser/extensions/extension_management.cc b/chrome/browser/extensions/extension_management.cc
+index ae782891ad..b0b82002e2 100644
+--- a/chrome/browser/extensions/extension_management.cc
++++ b/chrome/browser/extensions/extension_management.cc
+@@ -322,31 +322,7 @@ bool ExtensionManagement::IsAllowedManifestVersion(
+ int manifest_version,
+ const std::string& extension_id,
+ Manifest::Type manifest_type) {
+- bool enabled_by_default =
+- !base::FeatureList::IsEnabled(
+- extensions_features::kExtensionsManifestV3Only) ||
+- manifest_version >= 3;
+-
+- // Manifest version policy only supports normal extensions and Chrome OS login
+- // screen extension.
+- if (manifest_type != Manifest::Type::TYPE_EXTENSION &&
+- manifest_type != Manifest::Type::TYPE_LOGIN_SCREEN_EXTENSION) {
+- return enabled_by_default;
+- }
+- switch (global_settings_->manifest_v2_setting) {
+- case internal::GlobalSettings::ManifestV2Setting::kDefault:
+- return enabled_by_default;
+- case internal::GlobalSettings::ManifestV2Setting::kDisabled:
+- return manifest_version >= 3;
+- case internal::GlobalSettings::ManifestV2Setting::kEnabled:
+ return true;
+- case internal::GlobalSettings::ManifestV2Setting::kEnabledForForceInstalled:
+- auto installation_mode =
+- GetInstallationMode(extension_id, /*update_url=*/std::string());
+- return manifest_version >= 3 ||
+- installation_mode == ManagedInstallationMode::kForced ||
+- installation_mode == ManagedInstallationMode::kRecommended;
+- }
+ }
+
+ bool ExtensionManagement::IsAllowedManifestVersion(const Extension* extension) {
+@@ -367,26 +343,8 @@ bool ExtensionManagement::IsExemptFromMV2DeprecationByPolicy(
+ return false;
+ }
+
+- switch (global_settings_->manifest_v2_setting) {
+- case internal::GlobalSettings::ManifestV2Setting::kDefault:
+- // Default browser behavior. Not exempt.
+- return false;
+- case internal::GlobalSettings::ManifestV2Setting::kDisabled:
+- // All MV2 extensions are disallowed. Not exempt.
+- return false;
+- case internal::GlobalSettings::ManifestV2Setting::kEnabled:
+ // All MV2 extensions are allowed. Exempt.
+ return true;
+- case internal::GlobalSettings::ManifestV2Setting::kEnabledForForceInstalled:
+- // Force-installed MV2 extensions are allowed. Exempt if it's a force-
+- // installed extension only.
+- auto installation_mode =
+- GetInstallationMode(extension_id, /*update_url=*/std::string());
+- return installation_mode == ManagedInstallationMode::kForced ||
+- installation_mode == ManagedInstallationMode::kRecommended;
+- }
+-
+- return false;
+ }
+
+ bool ExtensionManagement::IsAllowedByUnpublishedAvailabilityPolicy(
+diff --git a/chrome/browser/extensions/keyed_services/chrome_browser_context_keyed_service_factories.cc b/chrome/browser/extensions/keyed_services/chrome_browser_context_keyed_service_factories.cc
+index 7e3da1ed93..070ee94638 100644
+--- a/chrome/browser/extensions/keyed_services/chrome_browser_context_keyed_service_factories.cc
++++ b/chrome/browser/extensions/keyed_services/chrome_browser_context_keyed_service_factories.cc
+@@ -38,7 +38,6 @@
+ #include "chrome/browser/extensions/extension_gcm_app_handler.h"
+ #include "chrome/browser/extensions/extension_sync_service_factory.h"
+ #include "chrome/browser/extensions/extension_web_ui_override_registrar.h"
+-#include "chrome/browser/extensions/manifest_v2_experiment_manager.h"
+ #include "chrome/browser/extensions/menu_manager_factory.h"
+ #include "chrome/browser/extensions/permissions/permissions_updater.h"
+ #include "chrome/browser/extensions/plugin_manager.h"
+@@ -87,7 +86,6 @@ void EnsureChromeBrowserContextKeyedServiceFactoriesBuilt() {
+ extensions::ExtensionGarbageCollectorFactory::GetInstance();
+ extensions::ExtensionGCMAppHandler::GetFactoryInstance();
+ extensions::ChromeExtensionSystemFactory::GetInstance();
+- extensions::ManifestV2ExperimentManager::GetFactory();
+ extensions::MenuManagerFactory::GetInstance();
+ #if BUILDFLAG(ENABLE_PLUGINS)
+ extensions::PluginManager::GetFactoryInstance();
+diff --git a/chrome/browser/extensions/manifest_v2_experiment_manager.cc b/chrome/browser/extensions/manifest_v2_experiment_manager.cc
+index 13f7aab619..1426198b8d 100644
+--- a/chrome/browser/extensions/manifest_v2_experiment_manager.cc
++++ b/chrome/browser/extensions/manifest_v2_experiment_manager.cc
+@@ -146,22 +146,6 @@ bool ManifestV2ExperimentManagerFactory::ServiceIsCreatedWithBrowserContext()
+
+ // Determines the current stage of the MV2 deprecation experiments.
+ MV2ExperimentStage CalculateCurrentExperimentStage() {
+- // Return the "highest" stage that is currently active for the user.
+- if (base::FeatureList::IsEnabled(
+- extensions_features::kExtensionManifestV2Unsupported)) {
+- return MV2ExperimentStage::kUnsupported;
+- }
+-
+- if (base::FeatureList::IsEnabled(
+- extensions_features::kExtensionManifestV2Disabled)) {
+- return MV2ExperimentStage::kDisableWithReEnable;
+- }
+-
+- if (base::FeatureList::IsEnabled(
+- extensions_features::kExtensionManifestV2DeprecationWarning)) {
+- return MV2ExperimentStage::kWarning;
+- }
+-
+ return MV2ExperimentStage::kNone;
+ }
+
+@@ -201,19 +185,7 @@ PrefMap GetGlobalNoticeAcknowledgedPrefFor(
+ // Returns true if legacy extensions should be disabled, looking at both
+ // experiment stage and global state.
+ bool ShouldDisableLegacyExtensions(MV2ExperimentStage stage) {
+- if (g_allow_mv2_for_testing) {
+- // We allow legacy MV2 extensions for testing purposes.
+- return false;
+- }
+-
+- switch (stage) {
+- case MV2ExperimentStage::kNone:
+- case MV2ExperimentStage::kWarning:
+ return false;
+- case MV2ExperimentStage::kDisableWithReEnable:
+- case MV2ExperimentStage::kUnsupported:
+- return true;
+- }
+ }
+
+ // Returns true if the given `stage` is one in which extension enablement should
+diff --git a/chrome/browser/ui/webui/extensions/extensions_ui.cc b/chrome/browser/ui/webui/extensions/extensions_ui.cc
+index f769bdb059..f01ffd22ec 100644
+--- a/chrome/browser/ui/webui/extensions/extensions_ui.cc
++++ b/chrome/browser/ui/webui/extensions/extensions_ui.cc
+@@ -490,7 +490,7 @@ content::WebUIDataSource* CreateAndAddExtensionsSource(Profile* profile,
+ extensions_features::kExtensionsMenuAccessControlWithPermittedSites));
+ source->AddBoolean(
+ "safetyHubThreeDotDetails",
+- base::FeatureList::IsEnabled(features::kSafetyHubThreeDotDetails));
++ false);
+
+ #if BUILDFLAG(IS_ANDROID)
+ source->AddResourcePath("images/product_logo.png",
+diff --git a/extensions/common/extension.cc b/extensions/common/extension.cc
+index 2f6bcd7771..cd7becfed0 100644
+--- a/extensions/common/extension.cc
++++ b/extensions/common/extension.cc
+@@ -97,13 +97,6 @@ bool IsManifestSupported(int manifest_version,
+ // Supported versions are always safe.
+ if (manifest_version >= kMinimumSupportedManifestVersion &&
+ manifest_version <= kMaximumSupportedManifestVersion) {
+- // Emit a warning for unpacked extensions on Manifest V2 warning that
+- // MV2 is deprecated.
+- if (type == Manifest::TYPE_EXTENSION && manifest_version == 2 &&
+- Manifest::IsUnpackedLocation(location) &&
+- !g_silence_deprecated_manifest_version_warnings) {
+- *warning = errors::kManifestV2IsDeprecatedWarning;
+- }
+ return true;
+ }
+