Refactor guest view availability to be API not permission based.

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/guest_view/guest_view_base.h"
 #include "chrome/browser/guest_view/guest_view_constants.h"
 #include "chrome/browser/guest_view/guest_view_manager_factory.h"
@@ skipping 44 matching lines @@
                                             guest_instance_id)) {
     return NULL;
   }
   return GetGuestByInstanceID(guest_instance_id);
 }
 
 int GuestViewManager::GetNextInstanceID() {
   return ++current_instance_id_;
 }
 
-void GuestViewManager::CreateGuest(
-    const std::string& view_type,
-    const std::string& embedder_extension_id,
-    int embedder_render_process_id,
-    const base::DictionaryValue& create_params,
-    const WebContentsCreatedCallback& callback) {
+void GuestViewManager::CreateGuest(const std::string& view_type,
+                                   const std::string& embedder_extension_id,
+                                   content::WebContents* embedder_web_contents,
+                                   const base::DictionaryValue& create_params,
+                                   const WebContentsCreatedCallback& callback) {
   int guest_instance_id = GetNextInstanceID();
   GuestViewBase* guest =
       GuestViewBase::Create(context_, guest_instance_id, view_type);
   if (!guest) {
     callback.Run(NULL);
     return;
   }
-  guest->Init(embedder_extension_id,
-              embedder_render_process_id,
-              create_params,
-              callback);
+  guest->Init(
+      embedder_extension_id, embedder_web_contents, create_params, callback);
 }
 
 content::WebContents* GuestViewManager::CreateGuestWithWebContentsParams(
     const std::string& view_type,
     const std::string& embedder_extension_id,
     int embedder_render_process_id,
     const content::WebContents::CreateParams& create_params) {
   int guest_instance_id = GetNextInstanceID();
   GuestViewBase* guest =
       GuestViewBase::Create(context_, guest_instance_id, view_type);
@@ skipping 140 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();
 }