Add an extension override bubble and warning box for proxy extensions.

chrome/browser/ui/cocoa/view_id_util_browsertest.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/devtools/devtools_window.h"
@@ skipping 50 matching lines @@
 
       bookmark_utils::AddIfNotBookmarked(
           bookmark_model, GURL(content::kAboutBlankURL),
           base::ASCIIToUTF16("about"));
     }
 
     for (int i = VIEW_ID_TOOLBAR; i < VIEW_ID_PREDEFINED_COUNT; ++i) {
       // Mac implementation does not support following ids yet.
       if (i == VIEW_ID_STAR_BUTTON ||
           i == VIEW_ID_CONTENTS_SPLIT ||
+          i == VIEW_ID_BROWSER_ACTION ||
           i == VIEW_ID_FEEDBACK_BUTTON ||
           i == VIEW_ID_SCRIPT_BUBBLE ||
           i == VIEW_ID_MIC_SEARCH_BUTTON ||
           i == VIEW_ID_TRANSLATE_BUTTON) {
         continue;
       }
 
       CheckViewID(static_cast<ViewID>(i), true);
     }
 
@@ skipping 31 matching lines @@
     // VIEW_ID_TAB_LAST should always be available.
     CheckViewID(VIEW_ID_TAB_LAST, true);
   }
 
   // Open the 11th tab.
   browser()->OpenURL(OpenURLParams(
       GURL(content::kAboutBlankURL), Referrer(), NEW_BACKGROUND_TAB,
       content::PAGE_TRANSITION_TYPED, false));
   CheckViewID(VIEW_ID_TAB_LAST, true);
 }