[Media Router] Check MediaRouterDialogControllerImpl only sets toolbar MediaRouterAction.

chrome/browser/ui/toolbar/component_toolbar_actions_factory.cc

 // 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.
 
 #include "chrome/browser/ui/toolbar/component_toolbar_actions_factory.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "chrome/browser/media/router/media_router_feature.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 37 matching lines @@
 
   if (!profile->IsOffTheRecord() && media_router::MediaRouterEnabled(profile))
     component_ids.insert(kMediaRouterActionId);
 
   return component_ids;
 }
 
 scoped_ptr<ToolbarActionViewController>
 ComponentToolbarActionsFactory::GetComponentToolbarActionForId(
     const std::string& id,
-    Browser* browser) {
+    Browser* browser,
+    ToolbarActionsBar* bar) {
   // This is currently behind the extension-action-redesign flag, as it is
   // designed for the new toolbar.
   DCHECK(extensions::FeatureSwitch::extension_action_redesign()->IsEnabled());
   DCHECK(GetInitialComponentIds(browser->profile()).count(id));
 
   // Add component toolbar actions here.
   // This current design means that the ComponentToolbarActionsFactory is aware
   // of all actions. Since we should *not* have an excessive amount of these
   // (since each will have an action in the toolbar or overflow menu), this
   // should be okay. If this changes, we should rethink this design to have,
   // e.g., RegisterChromeAction().
 #if defined(ENABLE_MEDIA_ROUTER)
   if (id == kMediaRouterActionId)
     return scoped_ptr<ToolbarActionViewController>(
-        new MediaRouterAction(browser));
+        new MediaRouterAction(browser, bar));
 #endif  // defined(ENABLE_MEDIA_ROUTER)
 
   NOTREACHED();
   return scoped_ptr<ToolbarActionViewController>();
 }
 
 // static
 void ComponentToolbarActionsFactory::SetTestingFactory(
     ComponentToolbarActionsFactory* factory) {
   testing_factory_ = factory;
 }