Enable use_cfi_cast

build/bromite.gn_args

@@ -35,6 +35,7 @@ safe_browsing_mode=0
 symbol_level=1
 system_webview_package_name="org.bromite.webview"
 target_os="android"
+use_cfi_cast = true
 use_debug_fission=true
 use_errorprone_java_compiler=false
 use_gnome_keyring=false

build/patches/Chromium-package-name.patch

@@ -0,0 +1,21 @@
+From: csagan5 <32685696+csagan5@users.noreply.github.com>
+Date: Sat, 8 Jan 2022 19:42:34 +0100
+Subject: Chromium package name
+
+---
+ chrome/android/BUILD.gn | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/chrome/android/BUILD.gn b/chrome/android/BUILD.gn
+--- a/chrome/android/BUILD.gn
++++ b/chrome/android/BUILD.gn
+@@ -44,7 +44,7 @@ if (android_64bit_target_cpu && skip_secondary_abi_for_cq) {
+   assert(current_toolchain != android_secondary_abi_toolchain)
+ }
+ 
+-_default_package = "org.chromium.chrome"
++_default_package = "org.bromite.chromium"
+ if (android_channel != "default" && android_channel != "stable") {
+   # android-binary-size trybot may checks if an internal Chrome variant's
+   # AndroidManifest is as expected by ensuring the differences between its
+

build/ruleset_converter.gn_args

@@ -0,0 +1,43 @@
+android_channel="stable"
+blink_symbol_level=1
+chrome_pgo_phase=0
+dcheck_always_on=false
+dfmify_dev_ui=false
+disable_android_lint=true
+disable_autofill_assistant_dfm=true
+disable_fieldtrial_testing_config=true
+disable_tab_ui_dfm=true
+enable_av1_decoder=true
+enable_dav1d_decoder=true
+enable_gvr_services=false
+enable_hangout_services_extension=false
+enable_iterator_debugging=false
+enable_mdns=false
+enable_mse_mpeg2ts_stream_parser=true
+enable_nacl=false
+enable_nacl_nonsfi=false
+enable_platform_dolby_vision=true
+enable_platform_hevc=true
+enable_remoting=false
+enable_reporting=false
+enable_vr=false
+exclude_unwind_tables=false
+ffmpeg_branding="Chrome"
+icu_use_data_file=true
+is_cfi=true
+is_component_build=false
+is_debug=false
+is_official_build=true
+proprietary_codecs=true
+rtc_build_examples=false
+safe_browsing_mode=0
+symbol_level=1
+system_webview_package_name="org.bromite.webview"
+use_cfi_cast = true
+use_debug_fission=true
+use_errorprone_java_compiler=false
+use_gnome_keyring=false
+use_official_google_api_keys=false
+use_rtti=false
+use_sysroot=false
+webview_includes_weblayer=false