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

chrome/browser/translate/translate_manager.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/translate/translate_manager.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/json/json_reader.h"
@@ skipping 32 matching lines @@
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/url_fetcher.h"
 #include "grit/browser_resources.h"
 #include "net/base/escape.h"
 #include "net/url_request/url_request_status.h"
 #include "ui/base/resource/resource_bundle.h"
 
+using content::NavigationController;
 using content::NavigationEntry;
 using content::WebContents;
 
 namespace {
 
 // The list of languages the Google translation server supports.
 // For information, here is the list of languages that Chrome can be run in
 // but that the translation server does not support:
 // am Amharic
 // bn Bengali
@@ skipping 191 matching lines @@
 bool TranslateManager::IsSupportedLanguage(const std::string& page_language) {
   InitSupportedLanguages();
   return supported_languages_.Pointer()->count(page_language) != 0;
 }
 
 void TranslateManager::Observe(int type,
                                const content::NotificationSource& source,
                                const content::NotificationDetails& details) {
   switch (type) {
     case content::NOTIFICATION_NAV_ENTRY_COMMITTED: {
-      content::NavigationController* controller =
-          content::Source<content::NavigationController>(source).ptr();
+      NavigationController* controller =
+          content::Source<NavigationController>(source).ptr();
       content::LoadCommittedDetails* load_details =
           content::Details<content::LoadCommittedDetails>(details).ptr();
       NavigationEntry* entry = controller->GetActiveEntry();
       if (!entry) {
         NOTREACHED();
         return;
       }
 
       TabContentsWrapper* wrapper =
           TabContentsWrapper::GetCurrentWrapperForContents(
@@ skipping 558 matching lines @@
   InfoBarTabHelper* infobar_helper = wrapper->infobar_tab_helper();
 
   for (size_t i = 0; i < infobar_helper->infobar_count(); ++i) {
     TranslateInfoBarDelegate* delegate =
         infobar_helper->GetInfoBarDelegateAt(i)->AsTranslateInfoBarDelegate();
     if (delegate)
       return delegate;
   }
   return NULL;
 }