Move the MediaObserver getter from ResourceContext to ContentBrowserClient, since we only need to s…

content/public/browser/content_browser_client.h

 // Copyright (c) 2012 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 CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 #pragma once
 
 #include <string>
 #include <utility>
@@ skipping 45 matching lines @@
 namespace ui {
 class Clipboard;
 }
 
 namespace content {
 
 class AccessTokenStore;
 class BrowserChildProcessHost;
 class BrowserContext;
 class BrowserMainParts;
+class MediaObserver;
+class QuotaPermissionContext;
 class RenderProcessHost;
-class QuotaPermissionContext;
+class RenderViewHost;
 class ResourceContext;
-class RenderViewHost;
 class SiteInstance;
 class SpeechInputManagerDelegate;
 class WebContents;
 class WebContentsView;
 class WebContentsViewDelegate;
 class WebUIControllerFactory;
 struct MainFunctionParams;
 struct ShowDesktopNotificationHostMsgParams;
 
 typedef base::Callback< void(const content::MediaStreamDevices&) >
@@ skipping 205 matching lines @@
   // Adds a downloaded client cert. The embedder should ensure that there's
   // a private key for the cert, displays the cert to the user, and adds it upon
   // user approval. If the downloaded data could not be interpreted as a valid
   // certificate, |cert| will be NULL.
   virtual void AddNewCertificate(
       net::URLRequest* request,
       net::X509Certificate* cert,
       int render_process_id,
       int render_view_id) = 0;
 
+  // Returns a a class to get notifications about media event. The embedder can
+  // return NULL if they're not interested.
+  virtual MediaObserver* GetMediaObserver() = 0;
+
   // Asks permission to use the camera and/or microphone. If permission is
   // granted, a call should be made to |callback| with the devices. If the
   // request is denied, a call should be made to |callback| with an empty list
   // of devices. |request| has the details of the request (e.g. which of audio
   // and/or video devices are requested, and lists of available devices).
   virtual void RequestMediaAccessPermission(
       const content::MediaStreamRequest* request,
       const MediaResponseCallback& callback) = 0;
 
   // Asks permission to show desktop notifications.
@@ skipping 113 matching lines @@
   // This is called on a worker thread.
   virtual
       crypto::CryptoModuleBlockingPasswordDelegate* GetCryptoPasswordDelegate(
           const GURL& url) = 0;
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_