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

chrome/browser/ui/web_applications/web_app_ui.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/web_applications/web_app_ui.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 10 matching lines @@
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 #include "base/environment.h"
 #endif
 
 using content::BrowserThread;
+using content::NavigationController;
 
 namespace {
 
 #if defined(OS_WIN)
 // UpdateShortcutWorker holds all context data needed for update shortcut.
 // It schedules a pre-update check to find all shortcuts that needs to be
 // updated. If there are such shortcuts, it schedules icon download and
 // update them when icons are downloaded. It observes TAB_CLOSING notification
 // and cancels all the work when the underlying tab is closing.
 class UpdateShortcutWorker : public content::NotificationObserver {
@@ skipping 55 matching lines @@
     : tab_contents_(tab_contents),
       profile_path_(tab_contents->profile()->GetPath()) {
   web_app::GetShortcutInfoForTab(tab_contents_, &shortcut_info_);
   web_app::GetIconsInfo(tab_contents_->extension_tab_helper()->web_app_info(),
                         &unprocessed_icons_);
   file_name_ = web_app::internals::GetSanitizedFileName(shortcut_info_.title);
 
   registrar_.Add(
       this,
       content::NOTIFICATION_TAB_CLOSING,
-      content::Source<content::NavigationController>(
+      content::Source<NavigationController>(
           &tab_contents_->web_contents()->GetController()));
 }
 
 void UpdateShortcutWorker::Run() {
   // Starting by downloading app icon.
   DownloadIcon();
 }
 
 void UpdateShortcutWorker::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   if (type == content::NOTIFICATION_TAB_CLOSING &&
-      content::Source<content::NavigationController>(source).ptr() ==
+      content::Source<NavigationController>(source).ptr() ==
         &tab_contents_->web_contents()->GetController()) {
     // Underlying tab is closing.
     tab_contents_ = NULL;
   }
 }
 
 void UpdateShortcutWorker::DownloadIcon() {
   // FetchIcon must run on UI thread because it relies on TabContents
   // to download the icon.
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ skipping 181 matching lines @@
 
 void UpdateShortcutForTabContents(TabContentsWrapper* tab_contents) {
 #if defined(OS_WIN)
   // UpdateShortcutWorker will delete itself when it's done.
   UpdateShortcutWorker* worker = new UpdateShortcutWorker(tab_contents);
   worker->Run();
 #endif  // defined(OS_WIN)
 }
 
 }  // namespace web_app