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

chrome/browser/printing/print_dialog_cloud.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/printing/print_dialog_cloud.h"
 #include "chrome/browser/printing/print_dialog_cloud_internal.h"
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 88 matching lines @@
 // hitting the print button), the delegate is notified, and responds
 // that the dialog should be closed, at which point things are torn
 // down and released.
 
 // TODO(scottbyer):
 // http://code.google.com/p/chromium/issues/detail?id=44093 The
 // high-level flow (where the data is generated before even
 // bringing up the dialog) isn't what we want.
 
 using content::BrowserThread;
+using content::NavigationController;
 using content::NavigationEntry;
 using content::WebContents;
 using content::WebUIMessageHandler;
 
 namespace internal_cloud_print_helpers {
 
 // From the JSON parsed value, get the entries for the page setup
 // parameters.
 bool GetPageSetupParameters(const std::string& json,
                             PrintMsg_Print_Params& parameters) {
@@ skipping 177 matching lines @@
   web_ui()->RegisterMessageCallback("SendPrintData",
       base::Bind(&CloudPrintFlowHandler::HandleSendPrintData,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("SetPageParameters",
       base::Bind(&CloudPrintFlowHandler::HandleSetPageParameters,
                  base::Unretained(this)));
 
   // Register for appropriate notifications, and re-direct the URL
   // to the real server URL, now that we've gotten an HTML dialog
   // going.
-  content::NavigationController* controller =
+  NavigationController* controller =
       &web_ui()->web_contents()->GetController();
   NavigationEntry* pending_entry = controller->GetPendingEntry();
   if (pending_entry) {
     Profile* profile = Profile::FromWebUI(web_ui());
     pending_entry->SetURL(
         CloudPrintURL(profile).GetCloudPrintServiceDialogURL());
   }
   registrar_.Add(this, content::NOTIFICATION_LOAD_STOP,
-                 content::Source<content::NavigationController>(controller));
+                 content::Source<NavigationController>(controller));
 }
 
 void CloudPrintFlowHandler::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   if (type == content::NOTIFICATION_LOAD_STOP) {
     // Take the opportunity to set some (minimal) additional
     // script permissions required for the web UI.
     GURL url = web_ui()->web_contents()->GetURL();
@@ skipping 398 matching lines @@
                                                    file_type,
                                                    false,
                                                    delete_on_close);
       return true;
     }
   }
   return false;
 }
 
 }  // end namespace