[Mac] Implement frame.[color|inactiveColor].

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 2730c70b8dc1df958100686c9347a2cad25c50a9..940f287a3038cff95563302c5ef4cf70ee55ab49 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -6131,12 +6131,6 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_ENABLE_LOCALLY_MANAGED_USERS_DESCRIPTION" desc="Description for the flag to enable supervised users.">
         Enables support for user profiles that are managed by another user and can have restrictions applied.
       </message>
-      <message name="IDS_FLAGS_ENABLE_NATIVE_FRAMES_FOR_APPS_NAME" desc="Title for the flag to enable native style frames for apps.">
-        Native style window frames for packaged apps
-      </message>
-      <message name="IDS_FLAGS_ENABLE_NATIVE_FRAMES_FOR_APPS_DESCRIPTION" desc="Description for the flag to enable native style frames for apps.">
-        Use native-style window decorations for packaged app windows.
-      </message>
 
       <message name="IDS_GENERIC_EXPERIMENT_CHOICE_AUTOMATIC" desc="Generic 'Automatic' experiment choice option name.">
         Automatic