Chrome user menu shouldn't close if a tab steals focus

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 "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile_info_cache_observer.h"
@@ skipping 200 matching lines @@
   [[NSNotificationCenter defaultCenter]
       addObserver:self
          selector:@selector(bubbleWillClose:)
              name:NSWindowWillCloseNotification
            object:[menuController_ window]];
   [menuController_ showWindow:self];
 
   ProfileMetrics::LogProfileOpenMethod(ProfileMetrics::ICON_AVATAR_BUBBLE);
 }
 
+- (void)closeAvatarBubble {
+  if (menuController_ != nil)

[groby-ooo-7-16, 2015/05/15 16:16:24]

nit: No need to check - you can send messages to nil objects without harm.
(It'll just be ignored)

[gogerald1, 2015/05/19 23:35:12]

Done.

+    [menuController_ close];
+}
+
 - (IBAction)buttonClicked:(id)sender {
   BrowserWindow::AvatarBubbleMode mode =
       BrowserWindow::AVATAR_BUBBLE_MODE_DEFAULT;
 
   [self showAvatarBubbleAnchoredAt:button_
                           withMode:mode
                    withServiceType:signin::GAIA_SERVICE_TYPE_NONE];
 }
 
 - (IBAction)buttonRightClicked:(id)sender {
@@ skipping 20 matching lines @@
 }
 
 - (void)updateErrorStatus:(BOOL)hasError {
 }
 
 - (BaseBubbleController*)menuController {
   return menuController_;
 }
 
 @end