Adds support for media permission request handling on <appview> tag.

extensions/browser/guest_view/app_view/app_view_guest.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 EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_
 
 #include "base/id_map.h"
 #include "extensions/browser/extension_function_dispatcher.h"
 #include "extensions/browser/guest_view/app_view/app_view_guest_delegate.h"
@@ skipping 26 matching lines @@
 
   // ExtensionFunctionDispatcher::Delegate implementation.
   WindowController* GetExtensionWindowController() const override;
   content::WebContents* GetAssociatedWebContents() const override;
 
   // content::WebContentsObserver implementation.
   bool OnMessageReceived(const IPC::Message& message) override;
 
   // content::WebContentsDelegate implementation.
   bool HandleContextMenu(const content::ContextMenuParams& params) override;
+  void RequestMediaAccessPermission(
+      content::WebContents* web_contents,
+      const content::MediaStreamRequest& request,
+      const content::MediaResponseCallback& callback) override;
+  bool CheckMediaAccessPermission(content::WebContents* web_contents,
+                                  const GURL& security_origin,
+                                  content::MediaStreamType type) override;
 
   // GuestViewBase implementation.
   const char* GetAPINamespace() const override;
   int GetTaskPrefix() const override;
   void CreateWebContents(const base::DictionaryValue& create_params,
                          const WebContentsCreatedCallback& callback) override;
   void DidAttachToEmbedder() override;
   void DidInitialize() override;
 
+  // Sets the AppDelegate for this guest.
+  void SetAppDelegateForTest(AppDelegate* delegate);
+
  private:
   AppViewGuest(content::BrowserContext* browser_context,
                content::WebContents* owner_web_contents,
                int guest_instance_id);
 
   ~AppViewGuest() override;
 
   void OnRequest(const ExtensionHostMsg_Request_Params& params);
 
   void CompleteCreateWebContents(const GURL& url,
                                  const Extension* guest_extension,
                                  const WebContentsCreatedCallback& callback);
 
   void LaunchAppAndFireEvent(scoped_ptr<base::DictionaryValue> data,
                              const WebContentsCreatedCallback& callback,
                              ExtensionHost* extension_host);
 
   GURL url_;
   std::string guest_extension_id_;
   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
   scoped_ptr<AppViewGuestDelegate> app_view_guest_delegate_;
+  scoped_ptr<AppDelegate> app_delegate_;
 
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<AppViewGuest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AppViewGuest);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_APP_VIEW_APP_VIEW_GUEST_H_