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

chrome/browser/extensions/isolated_app_browsertest.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 "base/utf_string_conversions.h"
 #include "chrome/browser/automation/automation_util.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/public/browser/render_process_host.h"
 #include "net/base/mock_host_resolver.h"
 
+using content::NavigationController;
+
 namespace {
 
 class IsolatedAppTest : public ExtensionBrowserTest {
  public:
   // Returns whether the given tab's current URL has the given cookie.
   bool WARN_UNUSED_RESULT HasCookie(TabContents* contents, std::string cookie) {
     int value_size;
     std::string actual_cookie;
     automation_util::GetCookies(contents->GetURL(), contents, &value_size,
                                 &actual_cookie);
@@ skipping 80 matching lines @@
   // normal tab.  (For now, iframes are always rendered in their parent
   // process, even if they aren't in the app manifest.)
   EXPECT_TRUE(HasCookie(tab1, "nonAppFrame=6"));
   EXPECT_FALSE(HasCookie(tab3, "nonAppFrame"));
 
   // Check that isolation persists even if the tab crashes and is reloaded.
   browser()->SelectNumberedTab(1);
   ui_test_utils::CrashTab(tab1);
   ui_test_utils::WindowedNotificationObserver observer(
       content::NOTIFICATION_LOAD_STOP,
-      content::Source<content::NavigationController>(
+      content::Source<NavigationController>(
           &browser()->GetSelectedTabContentsWrapper()->tab_contents()->
               GetController()));
   browser()->Reload(CURRENT_TAB);
   observer.Wait();
   EXPECT_TRUE(HasCookie(tab1, "app1=3"));
   EXPECT_FALSE(HasCookie(tab1, "app2"));
   EXPECT_FALSE(HasCookie(tab1, "normalPage"));
 }
 
 // Ensure that cookies are not isolated if the isolated apps are not installed.
@@ skipping 158 matching lines @@
   EXPECT_NE(hosted1_host, web1_host);
   EXPECT_NE(hosted1_host, extension1_host);
 
   // Web pages only share with each other.
   EXPECT_EQ(web1_host, web2_host);
   EXPECT_NE(web1_host, extension1_host);
 
   // Extensions only share with each other.
   EXPECT_EQ(extension1_host, extension2_host);
 }