[Mac] Delete the unused AvatarMenuBubbleController and its associated XIB.

chrome/browser/ui/cocoa/profiles/avatar_base_controller.mm

 // Copyright 2014 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.
 
 #import "chrome/browser/ui/cocoa/profiles/avatar_base_controller.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/macros.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile_avatar_icon_util.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/profiles/profile_metrics.h"
 #include "chrome/browser/profiles/profile_window.h"
 #include "chrome/browser/profiles/profiles_state.h"
 #include "chrome/browser/signin/chrome_signin_helper.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_window.h"
 #import "chrome/browser/ui/cocoa/base_bubble_controller.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #include "chrome/browser/ui/cocoa/l10n_util.h"
-#import "chrome/browser/ui/cocoa/profiles/avatar_menu_bubble_controller.h"
 #import "chrome/browser/ui/cocoa/profiles/profile_chooser_controller.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "ui/base/cocoa/cocoa_base_utils.h"
 
 // Space between the avatar icon and the avatar menu bubble.
 const CGFloat kMenuYOffsetAdjust = 1.0;
 // Offset needed to align the edge of the avatar bubble with the edge of the
 // avatar button.
 const CGFloat kMenuXOffsetAdjust = 1.0;
 
@@ skipping 208 matching lines @@
 }
 
 - (void)setErrorStatus:(BOOL)hasError {
 }
 
 - (BaseBubbleController*)menuController {
   return menuController_;
 }
 
 @end