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

content/browser/renderer_host/render_view_host_manager_browsertest.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/ref_counted.h"
 #include "base/path_service.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_view_host_observer.h"
 #include "content/public/common/url_constants.h"
 #include "net/base/net_util.h"
 #include "net/test/test_server.h"
 
+using content::RenderViewHost;
 using content::SiteInstance;
 
 class RenderViewHostManagerTest : public InProcessBrowserTest {
  public:
   RenderViewHostManagerTest() {
     EnableDOMAutomation();
   }
 
   static bool GetFilePathWithHostAndPortReplacement(
       const std::string& original_file_path,
@@ skipping 430 matching lines @@
   // Now navigate to a different instance so that we swap out again.
   ui_test_utils::NavigateToURL(browser(),
                                https_server.GetURL("files/title2.html"));
   rvh_observers.AddObserverToRVH(browser()->GetSelectedWebContents()->
       GetRenderViewHost());
 
   // This used to leak a render view host.
   browser()->CloseTabContents(browser()->GetSelectedWebContents());
   EXPECT_EQ(0U, rvh_observers.GetNumObservers());
 }