Refactor GuestView.

chrome/browser/guestview/guestview.cc

 // Copyright 2013 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/guestview/guestview.h"
 
 #include "base/lazy_instance.h"
 #include "chrome/browser/guestview/adview/adview_guest.h"
 #include "chrome/browser/guestview/guestview_constants.h"
 #include "chrome/browser/guestview/webview/webview_guest.h"
@@ skipping 150 matching lines @@
   base::MessageLoop::current()->PostTask(
       FROM_HERE,
       base::Bind(&GuestView::SendQueuedEvents,
                  weak_ptr_factory_.GetWeakPtr()));
 }
 
 GuestView::Type GuestView::GetViewType() const {
   return GuestView::UNKNOWN;
 }
 
-WebViewGuest* GuestView::AsWebView() {
-  return NULL;
-}
-
-AdViewGuest* GuestView::AsAdView() {
-  return NULL;
-}
-
 GuestView::~GuestView() {
   std::pair<int, int> key(embedder_render_process_id_, guest_instance_id_);
   embedder_guestview_map.Get().erase(key);
 
   webcontents_guestview_map.Get().erase(guest_web_contents());
 
   while (!pending_events_.empty()) {
     delete pending_events_.front();
     pending_events_.pop();
   }
 }
 
 void GuestView::DispatchEvent(Event* event) {
-  if (!in_extension())
-      return;
+  if (!in_extension()) {
+    delete event;
+    return;
+  }
 
   if (!attached()) {
     pending_events_.push(event);
     return;
   }
 
   Profile* profile = Profile::FromBrowserContext(browser_context_);
 
   extensions::EventFilteringInfo info;
   info.SetURL(GURL());
@@ skipping 12 matching lines @@
 void GuestView::SendQueuedEvents() {
   if (!attached())
     return;
 
   while (!pending_events_.empty()) {
     Event* event = pending_events_.front();
     pending_events_.pop();
     DispatchEvent(event);
   }
 }