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

chrome/browser/printing/cloud_print/cloud_print_setup_flow.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 "chrome/browser/printing/cloud_print/cloud_print_setup_flow.h"
 
 #include "base/json/json_writer.h"
 #include "base/memory/singleton.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 318 matching lines @@
   }
 
   ExecuteJavascriptInIFrame(DoneIframeXPath(),
                             ASCIIToUTF16("cloudprint.onPageShown();"));
 }
 
 void CloudPrintSetupFlow::ExecuteJavascriptInIFrame(
     const string16& iframe_xpath,
     const string16& js) {
   if (web_ui_) {
-    RenderViewHost* rvh = web_ui_->GetWebContents()->GetRenderViewHost();
+    content::RenderViewHost* rvh =
+        web_ui_->GetWebContents()->GetRenderViewHost();
     rvh->ExecuteJavascriptInWebFrame(iframe_xpath, js);
   }
 }