Move extension messages to their own file and add a RenderViewObserver to start moving the extens...

chrome/browser/notifications/balloon_host.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/notifications/balloon_host.h"
 
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/notifications/balloon.h"
@@ skipping 114 matching lines @@
 
 ViewType::Type BalloonHost::GetRenderViewType() const {
   return ViewType::NOTIFICATION;
 }
 
 RenderViewHostDelegate::View* BalloonHost::GetViewDelegate() {
   return this;
 }
 
 void BalloonHost::ProcessWebUIMessage(
-    const ViewHostMsg_DomMessage_Params& params) {
+    const ExtensionHostMsg_DomMessage_Params& params) {
   if (extension_function_dispatcher_.get()) {
     extension_function_dispatcher_->HandleRequest(params);
   }
 }
 
 // RenderViewHostDelegate::View methods implemented to allow links to
 // open pages in new tabs.
 void BalloonHost::CreateNewWindow(
     int route_id,
     const ViewHostMsg_CreateWindow_Params& params) {
@@ skipping 114 matching lines @@
 
 void BalloonHost::NotifyDisconnect() {
   if (!should_notify_on_disconnect_)
     return;
 
   should_notify_on_disconnect_ = false;
   NotificationService::current()->Notify(
       NotificationType::NOTIFY_BALLOON_DISCONNECTED,
       Source<BalloonHost>(this), NotificationService::NoDetails());
 }