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

chrome/browser/geolocation/geolocation_browsertest.cc

Index: chrome/browser/geolocation/geolocation_browsertest.cc
===================================================================
--- chrome/browser/geolocation/geolocation_browsertest.cc	(revision 116288)
+++ chrome/browser/geolocation/geolocation_browsertest.cc	(working copy)
@@ -35,6 +35,7 @@
 #include "net/base/net_util.h"
 #include "net/test/test_server.h"
 
+using content::NavigationController;
 using content::WebContents;
 
 namespace {
@@ -48,10 +49,10 @@
   IFrameLoader(Browser* browser, int iframe_id, const GURL& url)
       : navigation_completed_(false),
         javascript_completed_(false) {
-    content::NavigationController* controller =
+    NavigationController* controller =
         &browser->GetSelectedWebContents()->GetController();
     registrar_.Add(this, content::NOTIFICATION_LOAD_STOP,
-                   content::Source<content::NavigationController>(controller));
+                   content::Source<NavigationController>(controller));
     registrar_.Add(this, chrome::NOTIFICATION_DOM_OPERATION_RESPONSE,
                    content::NotificationService::AllSources());
     std::string script = base::StringPrintf(
@@ -326,7 +327,7 @@
     {
       ui_test_utils::WindowedNotificationObserver observer(
           content::NOTIFICATION_LOAD_STOP,
-          content::Source<content::NavigationController>(
+          content::Source<NavigationController>(
               &tab_contents_wrapper->web_contents()->GetController()));
       if (allowed)
         infobar_->AsConfirmInfoBarDelegate()->Accept();
@@ -509,7 +510,7 @@
   Geoposition fresh_position = GeopositionFromLatLong(3.17, 4.23);
   ui_test_utils::WindowedNotificationObserver observer(
       content::NOTIFICATION_LOAD_STOP,
-      content::Source<content::NavigationController>(
+      content::Source<NavigationController>(
           &current_browser_->GetSelectedWebContents()->GetController()));
   NotifyGeoposition(fresh_position);
   observer.Wait();
@@ -546,7 +547,7 @@
   Geoposition cached_position = GeopositionFromLatLong(5.67, 8.09);
   ui_test_utils::WindowedNotificationObserver observer(
       content::NOTIFICATION_LOAD_STOP,
-      content::Source<content::NavigationController>(
+      content::Source<NavigationController>(
           &current_browser_->GetSelectedWebContents()->GetController()));
   NotifyGeoposition(cached_position);
   observer.Wait();
@@ -654,7 +655,7 @@
   // its way through to the first watcher.
   ui_test_utils::WindowedNotificationObserver observer(
       content::NOTIFICATION_LOAD_STOP,
-      content::Source<content::NavigationController>(
+      content::Source<NavigationController>(
           &current_browser_->GetSelectedWebContents()->GetController()));
   NotifyGeoposition(final_position);
   observer.Wait();