Move Render(View|Widget)Host and associated classes to content namespace.

content/browser/tab_contents/navigation_controller_impl_unittest.cc

 // Copyright (c) 2012 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/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/stl_util.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 20 matching lines @@
 #include "content/test/test_notification_tracker.h"
 #include "net/base/net_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/glue/webkit_glue.h"
 
 using base::Time;
 using content::NavigationController;
 using content::NavigationEntry;
 using content::NavigationEntryImpl;
 using content::SiteInstance;
+using content::TestRenderViewHost;
 using content::WebContents;
 
 // NavigationControllerTest ----------------------------------------------------
 
 class NavigationControllerTest : public RenderViewHostTestHarness {
  public:
   NavigationControllerTest() {}
 
   NavigationControllerImpl& controller_impl() {
     return static_cast<NavigationControllerImpl&>(controller());
@@ skipping 2522 matching lines @@
   TabNavigation nav(0, url0, GURL(), string16(),
                     webkit_glue::CreateHistoryStateForURL(url0),
                     content::PAGE_TRANSITION_LINK);
   session_helper_.AssertNavigationEquals(nav,
                                          windows_[0]->tabs[0]->navigations[0]);
   nav.set_url(url2);
   session_helper_.AssertNavigationEquals(nav,
                                          windows_[0]->tabs[0]->navigations[1]);
 }
 */