Refactor guest view availability to be API not permission based.

chrome/browser/guest_view/guest_view_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_GUEST_VIEW_GUEST_VIEW_MANAGER_H_
 #define CHROME_BROWSER_GUEST_VIEW_GUEST_VIEW_MANAGER_H_
 
 #include <map>
 
 #include "base/gtest_prod_util.h"
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 #include "content/public/browser/browser_plugin_guest_manager.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 
 class AppViewGuest;
 class GuestViewBase;
 class GuestViewManagerFactory;
 class GURL;
 
 namespace content {
 class BrowserContext;
+class WebContents;
 }  // namespace content
 
 namespace guestview {
 class TestGuestViewManager;
 }  // namespace guestview
 
 class GuestViewManager : public content::BrowserPluginGuestManager,
                          public base::SupportsUserData::Data {
  public:
   explicit GuestViewManager(content::BrowserContext* context);
@@ skipping 12 matching lines @@
   // this method will return NULL. If no WebContents exists with the given
   // instance ID, then NULL will also be returned.
   content::WebContents* GetGuestByInstanceIDSafely(
       int guest_instance_id,
       int embedder_render_process_id);
 
   int GetNextInstanceID();
 
   typedef base::Callback<void(content::WebContents*)>
       WebContentsCreatedCallback;
-  void 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 CreateGuest(const std::string& view_type,
+                   const std::string& embedder_extension_id,
+                   int embedder_render_process_id,
+                   content::WebContents* embedder_web_contents,

[not at google - send to devlin, 2014/07/31 22:07:45]

Pity I needed to do this, all I want is a URL.

+                   const base::DictionaryValue& create_params,
+                   const WebContentsCreatedCallback& callback);
 
   content::WebContents* CreateGuestWithWebContentsParams(
       const std::string& view_type,
       const std::string& embedder_extension_id,
       int embedder_render_process_id,
       const content::WebContents::CreateParams& create_params);
 
   content::SiteInstance* GetGuestSiteInstance(
       const GURL& guest_site);
 
@@ skipping 49 matching lines @@
   // The remaining instance IDs that are greater than
   // |last_instance_id_removed_| are kept here.
   std::set<int> removed_instance_ids_;
 
   content::BrowserContext* context_;
 
   DISALLOW_COPY_AND_ASSIGN(GuestViewManager);
 };
 
 #endif  // CHROME_BROWSER_GUEST_VIEW_GUEST_VIEW_MANAGER_H_