Move WebUIMessageHandler to its own file in the public directory and put it in the content namesp...

chrome/browser/printing/cloud_print/cloud_print_setup_message_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/printing/cloud_print/cloud_print_setup_message_handler.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/printing/cloud_print/cloud_print_setup_flow.h"
+#include "content/browser/webui/web_ui.h"
 
 void CloudPrintSetupMessageHandler::RegisterMessages() {
   // Pass the WebUI object to the setup flow.
   flow_->Attach(web_ui());
 
   web_ui()->RegisterMessageCallback("SubmitAuth",
       base::Bind(&CloudPrintSetupMessageHandler::HandleSubmitAuth,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("PrintTestPage",
       base::Bind(&CloudPrintSetupMessageHandler::HandlePrintTestPage,
@@ skipping 34 matching lines @@
 
 void CloudPrintSetupMessageHandler::HandlePrintTestPage(const ListValue* args) {
   if (flow_)
     flow_->OnUserClickedPrintTestPage();
 }
 
 void CloudPrintSetupMessageHandler::HandleLearnMore(const ListValue* args) {
   if (flow_)
     flow_->OnUserClickedLearnMore();
 }