Add shortcut to show avatar menu

chrome/browser/ui/cocoa/browser_window_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 
 #include <cmath>
 #include <numeric>
 
 #include "base/command_line.h"
@@ skipping 453 matching lines @@
 }
 
 - (LocationBarViewMac*)locationBarBridge {
   return [toolbarController_ locationBarBridge];
 }
 
 - (Profile*)profile {
   return browser_->profile();
 }
 
+- (AvatarButtonController*)avatarButtonController {
+  return avatarButtonController_.get();
+}
+
 - (void)destroyBrowser {
   [NSApp removeWindowsItem:[self window]];
 
   // We need the window to go away now.
   // We can't actually use |-autorelease| here because there's an embedded
   // run loop in the |-performClose:| which contains its own autorelease pool.
   // Instead call it after a zero-length delay, which gets us back to the main
   // event loop.
   [self performSelector:@selector(autorelease)
              withObject:nil
@@ skipping 1687 matching lines @@
 
 - (BOOL)supportsBookmarkBar {
   return [self supportsWindowFeature:Browser::FEATURE_BOOKMARKBAR];
 }
 
 - (BOOL)isTabbedWindow {
   return browser_->is_type_tabbed();
 }
 
 @end  // @implementation BrowserWindowController(WindowType)