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

chrome/browser/ui/auto_login_prompter.cc

Index: chrome/browser/ui/auto_login_prompter.cc
===================================================================
--- chrome/browser/ui/auto_login_prompter.cc	(revision 116288)
+++ chrome/browser/ui/auto_login_prompter.cc	(working copy)
@@ -41,6 +41,7 @@
 #include "ui/base/resource/resource_bundle.h"
 
 using content::BrowserThread;
+using content::NavigationController;
 using content::WebContents;
 
 // AutoLoginRedirector --------------------------------------------------------
@@ -52,7 +53,7 @@
 class AutoLoginRedirector : public content::NotificationObserver {
  public:
   AutoLoginRedirector(TokenService* token_service,
-                      content::NavigationController* navigation_controller,
+                      NavigationController* navigation_controller,
                       const std::string& args);
   virtual ~AutoLoginRedirector();
 
@@ -66,7 +67,7 @@
   // to the desired page.
   void RedirectToMergeSession(const std::string& token);
 
-  content::NavigationController* navigation_controller_;
+  NavigationController* navigation_controller_;
   const std::string args_;
   content::NotificationRegistrar registrar_;
 
@@ -75,7 +76,7 @@
 
 AutoLoginRedirector::AutoLoginRedirector(
     TokenService* token_service,
-    content::NavigationController* navigation_controller,
+    NavigationController* navigation_controller,
     const std::string& args)
     : navigation_controller_(navigation_controller),
       args_(args) {
@@ -141,7 +142,7 @@
 class AutoLoginInfoBarDelegate : public ConfirmInfoBarDelegate {
  public:
   AutoLoginInfoBarDelegate(InfoBarTabHelper* owner,
-                           content::NavigationController* navigation_controller,
+                           NavigationController* navigation_controller,
                            TokenService* token_service,
                            PrefService* pref_service,
                            const std::string& username,
@@ -157,7 +158,7 @@
   virtual bool Accept() OVERRIDE;
   virtual bool Cancel() OVERRIDE;
 
-  content::NavigationController* navigation_controller_;
+  NavigationController* navigation_controller_;
   TokenService* token_service_;
   PrefService* pref_service_;
   std::string username_;
@@ -168,7 +169,7 @@
 
 AutoLoginInfoBarDelegate::AutoLoginInfoBarDelegate(
     InfoBarTabHelper* owner,
-    content::NavigationController* navigation_controller,
+    NavigationController* navigation_controller,
     TokenService* token_service,
     PrefService* pref_service,
     const std::string& username,
@@ -226,7 +227,7 @@
       username_(username),
       args_(args) {
   registrar_.Add(this, content::NOTIFICATION_LOAD_STOP,
-                 content::Source<content::NavigationController>(
+                 content::Source<NavigationController>(
                     &web_contents_->GetController()));
   registrar_.Add(this, content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
                  content::Source<WebContents>(web_contents_));