Get rid of content::NavigationController in cc file and use "using" instead.

chrome/browser/ui/views/tab_contents/tab_contents_container.cc

 // 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.
 
 #include "chrome/browser/ui/views/tab_contents/tab_contents_container.h"
 
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/browser/ui/views/tab_contents/native_tab_contents_container.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/render_widget_host_view.h"
 #include "content/browser/tab_contents/interstitial_page.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "ui/base/accessibility/accessible_view_state.h"
 
+using content::NavigationController;
 using content::WebContents;
 
 ////////////////////////////////////////////////////////////////////////////////
 // TabContentsContainer, public:
 
 TabContentsContainer::TabContentsContainer()
     : native_container_(NULL),
       web_contents_(NULL) {
   set_id(VIEW_ID_TAB_CONTAINER);
 }
@@ skipping 134 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // TabContentsContainer, private:
 
 void TabContentsContainer::AddObservers() {
   // TabContents can change their RenderViewHost and hence the HWND that is
   // shown and getting focused.  We need to keep track of that so we install
   // the focus subclass on the shown HWND so we intercept focus change events.
   registrar_.Add(
       this,
       content::NOTIFICATION_RENDER_VIEW_HOST_CHANGED,
-      content::Source<content::NavigationController>(
-          &web_contents_->GetController()));
+      content::Source<NavigationController>(&web_contents_->GetController()));
 
   registrar_.Add(
       this,
       content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
       content::Source<WebContents>(web_contents_));
 }
 
 void TabContentsContainer::RemoveObservers() {
   registrar_.RemoveAll();
 }
@@ skipping 10 matching lines @@
   // us to clean up our state in case this happens.
   DCHECK(contents == web_contents_);
   ChangeWebContents(NULL);
 }
 
 void TabContentsContainer::RenderWidgetHostViewChanged(
     RenderWidgetHostView* new_view) {
   if (new_view)
     new_view->set_reserved_contents_rect(cached_reserved_rect_);
 }