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"
 
 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(),
+      guest->owner_host(),
       name_,
       args.Pass(),
       EventRouter::USER_GESTURE_UNKNOWN,
       info);
 
   delete this;
 }
 
 }  // namespace extensions