[Mac] Properly show and hide the avatar button for the one-profile case.

chrome/chrome_browser.gypi

 # Copyright (c) 2011 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'dependencies': [
@@ skipping 2410 matching lines @@
         'browser/ui/cocoa/bookmarks/bookmark_menu_bridge.h',
         'browser/ui/cocoa/bookmarks/bookmark_menu_bridge.mm',
         'browser/ui/cocoa/bookmarks/bookmark_menu_cocoa_controller.h',
         'browser/ui/cocoa/bookmarks/bookmark_menu_cocoa_controller.mm',
         'browser/ui/cocoa/bookmarks/bookmark_model_observer_for_cocoa.h',
         'browser/ui/cocoa/bookmarks/bookmark_model_observer_for_cocoa.mm',
         'browser/ui/cocoa/bookmarks/bookmark_name_folder_controller.h',
         'browser/ui/cocoa/bookmarks/bookmark_name_folder_controller.mm',
         'browser/ui/cocoa/bookmarks/bookmark_tree_browser_cell.h',
         'browser/ui/cocoa/bookmarks/bookmark_tree_browser_cell.mm',
-        'browser/ui/cocoa/browser/avatar_button.h',
-        'browser/ui/cocoa/browser/avatar_button.mm',
+        'browser/ui/cocoa/browser/avatar_button_controller.h',
+        'browser/ui/cocoa/browser/avatar_button_controller.mm',
         'browser/ui/cocoa/browser/avatar_menu_bubble_controller.h',
         'browser/ui/cocoa/browser/avatar_menu_bubble_controller.mm',
         'browser/ui/cocoa/browser/edit_search_engine_cocoa_controller.h',
         'browser/ui/cocoa/browser/edit_search_engine_cocoa_controller.mm',
         'browser/ui/cocoa/browser_command_executor.h',
         'browser/ui/cocoa/browser_frame_view.h',
         'browser/ui/cocoa/browser_frame_view.mm',
         'browser/ui/cocoa/browser_window_cocoa.h',
         'browser/ui/cocoa/browser_window_cocoa.mm',
         'browser/ui/cocoa/browser_window_controller.h',
@@ skipping 2640 matching lines @@
       'type': 'static_library',
       'sources': [ 'browser/history/in_memory_url_index_cache.proto' ],
       'variables': {
         'proto_in_dir': 'browser/history',
         'proto_out_dir': 'chrome/browser/history',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }