[Mac] Integrate divider into browser-action overflow chevron.

chrome/browser/cocoa/extensions/browser_actions_controller.mm

 // Copyright (c) 2010 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 "browser_actions_controller.h"
 
 #include <cmath>
 #include <string>
 
 #include "base/nsimage_cache_mac.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/pref_service.h"
 #import "chrome/browser/cocoa/extensions/browser_action_button.h"
 #import "chrome/browser/cocoa/extensions/browser_actions_container_view.h"
 #import "chrome/browser/cocoa/extensions/extension_popup_controller.h"
+#import "chrome/browser/cocoa/extensions/chevron_menu_button.h"
 #import "chrome/browser/cocoa/menu_button.h"
 #include "chrome/browser/extensions/extension_browser_event_router.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_toolbar_model.h"
 #include "chrome/browser/extensions/extensions_service.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/common/extensions/extension_action.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
@@ skipping 741 matching lines @@
   [chevronMenuButton_ setFrame:buttonFrame];
 }
 
 - (void)setChevronHidden:(BOOL)hidden
                  inFrame:(NSRect)frame
                  animate:(BOOL)animate {
   if (hidden == [self chevronIsHidden])
     return;
 
   if (!chevronMenuButton_.get()) {
-    chevronMenuButton_.reset([[MenuButton alloc] init]);
+    chevronMenuButton_.reset([[ChevronMenuButton alloc] init]);
     [chevronMenuButton_ setBordered:NO];
     [chevronMenuButton_ setShowsBorderOnlyWhileMouseInside:YES];
     NSImage* chevronImage = nsimage_cache::ImageNamed(kOverflowChevronsName);
     [chevronMenuButton_ setImage:chevronImage];
     [containerView_ addSubview:chevronMenuButton_];
   }
 
   if (!hidden)
     [self updateOverflowMenu];
 
@@ skipping 68 matching lines @@
   if (profile_->IsOffTheRecord())
     index = toolbarModel_->IncognitoIndexToOriginal(index);
   if (index < toolbarModel_->size()) {
     Extension* extension = toolbarModel_->GetExtensionByIndex(index);
     return [buttons_ objectForKey:base::SysUTF8ToNSString(extension->id())];
   }
   return nil;
 }
 
 @end