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

chrome/browser/ui/webui/media/media_internals_handler.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 "chrome/browser/ui/webui/media/media_internals_handler.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 20 matching lines @@
       base::Bind(&MediaInternalsMessageHandler::OnGetEverything,
                  base::Unretained(this)));
 }
 
 void MediaInternalsMessageHandler::OnGetEverything(const ListValue* list) {
   proxy_->GetEverything();
 }
 
 void MediaInternalsMessageHandler::OnUpdate(const string16& update) {
   // Don't try to execute JavaScript in a RenderView that no longer exists.
-  RenderViewHost* host = web_ui()->GetWebContents()->GetRenderViewHost();
+  content::RenderViewHost* host =
+      web_ui()->GetWebContents()->GetRenderViewHost();
   if (host)
     host->ExecuteJavascriptInWebFrame(string16(), update);
 }