GuestView: Move GuestViewManager extension dependencies to ExtensionsGuestViewManagerDelegate

extensions/browser/guest_view/guest_view_event.cc

 // Copyright 2015 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 "extensions/browser/guest_view/guest_view_event.h"
 
-#include "extensions/browser/event_router.h"
 #include "extensions/browser/guest_view/guest_view_base.h"
+#include "extensions/browser/guest_view/guest_view_manager.h"
 
 namespace extensions {
 
 GuestViewEvent::GuestViewEvent(const std::string& name,
                                scoped_ptr<base::DictionaryValue> args)
     : name_(name),
       args_(args.Pass()) {
 }
 
 GuestViewEvent::~GuestViewEvent() {
 }
 
 void GuestViewEvent::Dispatch(GuestViewBase* guest, int instance_id) {
-  EventFilteringInfo info;
-  info.SetInstanceID(instance_id);
-  scoped_ptr<base::ListValue> args(new base::ListValue());
-  args->Append(args_.release());
-
-  EventRouter::DispatchEvent(
-      guest->owner_web_contents(),
-      guest->browser_context(),
-      guest->owner_extension_id(),
-      name_,
-      args.Pass(),
-      EventRouter::USER_GESTURE_UNKNOWN,
-      info);
+  GuestViewManager::FromBrowserContext(guest->browser_context())->
+      DispatchEvent(name_, args_.Pass(), guest, instance_id);
 
   delete this;
 }
 
 }  // namespace extensions