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

chrome/browser/ui/webui/print_preview/print_preview_handler.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/ui/webui/print_preview/print_preview_handler.h"
 
 #include <ctype.h>
 
 #include <string>
 #include <vector>
@@ skipping 46 matching lines @@
 #include "unicode/ulocdata.h"
 
 #if !defined(OS_MACOSX)
 #include "base/command_line.h"
 #include "chrome/common/chrome_switches.h"
 #endif
 
 using content::BrowserThread;
 using content::NavigationEntry;
 using content::OpenURLParams;
+using content::RenderViewHost;
 using content::Referrer;
 using content::WebContents;
 using printing::Metafile;
 
 namespace {
 
 enum UserActionBuckets {
   PRINT_TO_PRINTER,
   PRINT_TO_PDF,
   CANCEL,
@@ skipping 785 matching lines @@
     return;
 
   // We no longer require the initiator tab details. Remove those details
   // associated with the preview tab to allow the initiator tab to create
   // another preview tab.
   printing::PrintPreviewTabController* tab_controller =
       printing::PrintPreviewTabController::GetInstance();
   if (tab_controller)
     tab_controller->EraseInitiatorTabInfo(preview_tab_wrapper());
 }