    # Set to enable the official build level of optimization. This has nothing
    # to do with branding, but enables an additional level of optimization above
    # release (!is_debug). This might be better expressed as a tri-state
-@@ -480,6 +482,7 @@ default_compiler_configs = [
+@@ -483,6 +485,7 @@ default_compiler_configs = [
    "//build/config/compiler:no_rtti",
    "//build/config/compiler:runtime_library",
    "//build/config/sanitizers:default_sanitizer_flags",

 if (is_win) {
   default_compiler_configs += [
diff --git a/third_party/WebKit/Source/platform/BUILD.gn b/third_party/WebKit/Source/platform/BUILD.gn
index 453c14f..55dd9f3 100644
--- a/third_party/WebKit/Source/platform/BUILD.gn
+++ b/third_party/WebKit/Source/platform/BUILD.gn
@@ -171,6 +171,7 @@ action("character_data") {
 }
 
 executable("character_data_generator") {

diff --git a/build/config/BUILDCONFIG.gn b/build/config/BUILDCONFIG.gn
index d055e70..c76ca27 100644
--- a/build/config/BUILDCONFIG.gn
+++ b/build/config/BUILDCONFIG.gn
@@ -123,6 +123,8 @@ if (current_os == "") {
