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

chrome/browser/automation/automation_tab_tracker.cc

Index: chrome/browser/automation/automation_tab_tracker.cc
===================================================================
--- chrome/browser/automation/automation_tab_tracker.cc	(revision 116288)
+++ chrome/browser/automation/automation_tab_tracker.cc	(working copy)
@@ -8,35 +8,35 @@
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/notification_source.h"
 
+using content::NavigationController;
+
 AutomationTabTracker::AutomationTabTracker(IPC::Message::Sender* automation)
-    : AutomationResourceTracker<content::NavigationController*>(automation) {
+    : AutomationResourceTracker<NavigationController*>(automation) {
 }
 
 AutomationTabTracker::~AutomationTabTracker() {
 }
 
-void AutomationTabTracker::AddObserver(
-    content::NavigationController* resource) {
+void AutomationTabTracker::AddObserver(NavigationController* resource) {
   // This tab could either be a regular tab or an external tab
   // Register for both notifications.
   registrar_.Add(this, content::NOTIFICATION_TAB_CLOSING,
-                 content::Source<content::NavigationController>(resource));
+                 content::Source<NavigationController>(resource));
   registrar_.Add(this, chrome::NOTIFICATION_EXTERNAL_TAB_CLOSED,
-                 content::Source<content::NavigationController>(resource));
+                 content::Source<NavigationController>(resource));
   // We also want to know about navigations so we can keep track of the last
   // navigation time.
   registrar_.Add(this, content::NOTIFICATION_LOAD_STOP,
-                 content::Source<content::NavigationController>(resource));
+                 content::Source<NavigationController>(resource));
 }
 
-void AutomationTabTracker::RemoveObserver(
-    content::NavigationController* resource) {
+void AutomationTabTracker::RemoveObserver(NavigationController* resource) {
   registrar_.Remove(this, content::NOTIFICATION_TAB_CLOSING,
-                    content::Source<content::NavigationController>(resource));
+                    content::Source<NavigationController>(resource));
   registrar_.Remove(this, chrome::NOTIFICATION_EXTERNAL_TAB_CLOSED,
-                    content::Source<content::NavigationController>(resource));
+                    content::Source<NavigationController>(resource));
   registrar_.Remove(this, content::NOTIFICATION_LOAD_STOP,
-                    content::Source<content::NavigationController>(resource));
+                    content::Source<NavigationController>(resource));
 }
 
 void AutomationTabTracker::Observe(
@@ -46,15 +46,15 @@
   switch (type) {
     case content::NOTIFICATION_LOAD_STOP:
       last_navigation_times_[
-          content::Source<content::NavigationController>(source).ptr()] =
+          content::Source<NavigationController>(source).ptr()] =
               base::Time::Now();
       return;
     case chrome::NOTIFICATION_EXTERNAL_TAB_CLOSED:
     case content::NOTIFICATION_TAB_CLOSING:
       {
-        std::map<content::NavigationController*, base::Time>::iterator iter =
+        std::map<NavigationController*, base::Time>::iterator iter =
             last_navigation_times_.find(
-                content::Source<content::NavigationController>(source).ptr());
+                content::Source<NavigationController>(source).ptr());
         if (iter != last_navigation_times_.end())
           last_navigation_times_.erase(iter);
       }
@@ -62,15 +62,15 @@
     default:
       NOTREACHED();
   }
-  AutomationResourceTracker<content::NavigationController*>::Observe(
+  AutomationResourceTracker<NavigationController*>::Observe(
       type, source, details);
 }
 
 base::Time AutomationTabTracker::GetLastNavigationTime(int handle) {
   if (ContainsHandle(handle)) {
-    content::NavigationController* controller = GetResource(handle);
+    NavigationController* controller = GetResource(handle);
     if (controller) {
-      std::map<content::NavigationController*, base::Time>::const_iterator iter
+      std::map<NavigationController*, base::Time>::const_iterator iter
           = last_navigation_times_.find(controller);
       if (iter != last_navigation_times_.end())
         return iter->second;