Get rid of the RenderViewType concept in content, since it was only used by Chrome. Store the enum…

chrome/browser/extensions/extension_message_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/extensions/extension_message_handler.h"
 
 #include "chrome/browser/extensions/extension_message_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/view_type_utils.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
-#include "content/public/browser/render_view_host_delegate.h"
+#include "content/public/browser/web_contents.h"
+
+using content::WebContents;
 
 ExtensionMessageHandler::ExtensionMessageHandler(
     content::RenderViewHost* render_view_host)
     : content::RenderViewHostObserver(render_view_host) {
 }
 
 ExtensionMessageHandler::~ExtensionMessageHandler() {
 }
 
 bool ExtensionMessageHandler::OnMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ExtensionMessageHandler, message)
     IPC_MESSAGE_HANDLER(ExtensionHostMsg_PostMessage, OnPostMessage)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void ExtensionMessageHandler::RenderViewHostInitialized() {
+  WebContents* web_contents =
+      WebContents::FromRenderViewHost(render_view_host());
   Send(new ExtensionMsg_NotifyRenderViewType(
-      routing_id(), render_view_host()->GetDelegate()->GetRenderViewType()));
+      routing_id(), chrome::GetViewType(web_contents)));
 }
 
 void ExtensionMessageHandler::OnPostMessage(int port_id,
                                             const std::string& message) {
   Profile* profile = Profile::FromBrowserContext(
       render_view_host()->GetProcess()->GetBrowserContext());
   ExtensionMessageService* message_service =
       ExtensionSystem::Get(profile)->message_service();
   if (message_service) {
     message_service->PostMessageFromRenderer(port_id, message);
   }
 }