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

chrome/browser/extensions/webstore_installer.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/extensions/webstore_installer.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/stringprintf.h"
@@ skipping 16 matching lines @@
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/escape.h"
 
 using content::BrowserThread;
 using content::DownloadFile;
+using content::NavigationController;
 
 namespace {
 
 const char kInvalidIdError[] = "Invalid id";
 const char kNoBrowserError[] = "No browser found";
 const char kDownloadDirectoryError[] = "Could not create download directory";
 
 const char kInlineInstallSource[] = "inline";
 const char kDefaultInstallSource[] = "";
 
@@ skipping 50 matching lines @@
 
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                           base::Bind(callback, file));
 }
 
 }  // namespace
 
 
 WebstoreInstaller::WebstoreInstaller(Profile* profile,
                                      Delegate* delegate,
-                                     content::NavigationController* controller,
+                                     NavigationController* controller,
                                      const std::string& id,
                                      int flags)
     : profile_(profile),
       delegate_(delegate),
       controller_(controller),
       id_(id),
       flags_(flags) {
   download_url_ = GetWebstoreInstallURL(id, flags & FLAG_INLINE_INSTALL ?
       kInlineInstallSource : kDefaultInstallSource);
 
@@ skipping 92 matching lines @@
 
   Release();  // Balanced in Start().
 }
 
 void WebstoreInstaller::ReportSuccess() {
   if (delegate_)
     delegate_->OnExtensionInstallSuccess(id_);
 
   Release();  // Balanced in Start().
 }