Introduce media::RendererFactory interface.

content/public/renderer/content_renderer_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_RENDERER_CONTENT_RENDERER_CLIENT_H_
 #define CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 35 matching lines @@
 class WebSpeechSynthesizer;
 class WebSpeechSynthesizerClient;
 class WebThemeEngine;
 class WebURLRequest;
 class WebWorkerPermissionClientProxy;
 struct WebPluginParams;
 struct WebURLError;
 }
 
 namespace media {
-class Renderer;
+class RendererFactory;
 struct KeySystemInfo;
 }
 
 namespace content {
 class BrowserPluginDelegate;
 class DocumentState;
 class RenderFrame;
 class RenderView;
 class SynchronousCompositor;
 struct WebPluginInfo;
@@ skipping 183 matching lines @@
   virtual const void* CreatePPAPIInterface(
       const std::string& interface_name);
 
   // Returns true if the given Pepper plugin is external (requiring special
   // startup steps).
   virtual bool IsExternalPepperPlugin(const std::string& module_name);
 
   // Returns true if the page at |url| can use Pepper MediaStream APIs.
   virtual bool AllowPepperMediaStreamAPI(const GURL& url);
 
-  // Allows an embedder to create a media::Renderer. The caller owns the
-  // returned renderer.
-  virtual scoped_ptr<media::Renderer> CreateMediaRenderer(
-      RenderFrame* render_frame,
-      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner);
+  // Allows an embedder to provide a media::RendererFactory.
+  virtual scoped_ptr<media::RendererFactory> CreateMediaRendererFactory(
+      RenderFrame* render_frame);
 
   // Gives the embedder a chance to register the key system(s) it supports by
   // populating |key_systems|.
   virtual void AddKeySystems(std::vector<media::KeySystemInfo>* key_systems);
 
   // Returns true if we should report a detailed message (including a stack
   // trace) for console [logs|errors|exceptions]. |source| is the WebKit-
   // reported source for the error; this can point to a page or a script,
   // and can be external or internal.
   virtual bool ShouldReportDetailedMessageForSource(
@@ skipping 19 matching lines @@
   virtual bool IsPluginAllowedToUseDevChannelAPIs();
 
   // Returns a user agent override specific for |url|, or empty string if
   // default user agent should be used.
   virtual std::string GetUserAgentOverrideForURL(const GURL& url);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_CONTENT_RENDERER_CLIENT_H_