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_flow.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_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 21 matching lines @@
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/chromium_strings.h"
 #include "grit/locale_settings.h"
 #include "ui/base/l10n/l10n_font_util.h"
 #include "ui/gfx/font.h"
 
 using content::OpenURLParams;
 using content::Referrer;
 using content::WebContents;
+using content::WebUIMessageHandler;
 
 namespace {
 
 string16 SetupIframeXPath() {
   return ASCIIToUTF16("//iframe[@id='cloudprintsetup']");
 }
 
 string16 DoneIframeXPath() {
   return ASCIIToUTF16("//iframe[@id='setupdone']");
 }
@@ skipping 282 matching lines @@
 }
 
 void CloudPrintSetupFlow::ExecuteJavascriptInIFrame(
     const string16& iframe_xpath,
     const string16& js) {
   if (web_ui_) {
     RenderViewHost* rvh = web_ui_->web_contents()->GetRenderViewHost();
     rvh->ExecuteJavascriptInWebFrame(iframe_xpath, js);
   }
 }