Refactor GuestView construction

chrome/browser/guest_view/guest_view_manager.cc

 // Copyright 2014 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/guest_view/guest_view_manager.h"
 
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/guest_view/guest_view_base.h"
 #include "chrome/browser/guest_view/guest_view_constants.h"
@@ skipping 12 matching lines @@
 
 using content::BrowserContext;
 using content::SiteInstance;
 using content::WebContents;
 
 // static
 GuestViewManagerFactory* GuestViewManager::factory_ = NULL;
 
 GuestViewManager::GuestViewManager(content::BrowserContext* context)
     : current_instance_id_(0), last_instance_id_removed_(0), context_(context) {
+  GuestViewBase::RegisterGuestViewTypes();
 }
 
 GuestViewManager::~GuestViewManager() {}
 
 // static.
 GuestViewManager* GuestViewManager::FromBrowserContext(
     BrowserContext* context) {
   GuestViewManager* guest_manager =
       static_cast<GuestViewManager*>(context->GetUserData(
           guestview::kGuestViewManagerKeyName));
@@ skipping 192 matching lines @@
       guest_web_contents_by_instance_id_.find(guest_instance_id);
   if (it == guest_web_contents_by_instance_id_.end())
     return true;
 
   GuestViewBase* guest_view = GuestViewBase::FromWebContents(it->second);
   if (!guest_view)
     return false;
 
   return embedder_render_process_id == guest_view->embedder_render_process_id();
 }