Add layout tests for the audio component of MediaStream Recording.

components/test_runner/web_test_delegate.h

 // Copyright 2013 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 COMPONENTS_TEST_RUNNER_WEB_TEST_DELEGATE_H_
 #define COMPONENTS_TEST_RUNNER_WEB_TEST_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 232 matching lines @@
   // update its database.
   virtual void SetPermission(const std::string& permission_name,
                              const std::string& permission_value,
                              const GURL& origin,
                              const GURL& embedding_origin) = 0;
 
   // Clear all the permissions set via SetPermission().
   virtual void ResetPermissions() = 0;
 
   // Add content MediaStream classes to the Blink MediaStream ones.
-  virtual bool AddMediaStreamSourceAndTrack(blink::WebMediaStream* stream) = 0;
+  virtual bool AddMediaStreamVideoSourceAndTrack(
+      blink::WebMediaStream* stream) = 0;
+  virtual bool AddMediaStreamAudioSourceAndTrack(
+      blink::WebMediaStream* stream) = 0;
 
   virtual cc::SharedBitmapManager* GetSharedBitmapManager() = 0;
 
   // Causes the beforeinstallprompt event to be sent to the renderer with a
   // request id of |request_id|. |event_platforms| are the platforms to be sent
   // with the event. Once the event listener completes, |callback| will be
   // called with a boolean argument. This argument will be true if the event is
   // canceled, and false otherwise.
   virtual void DispatchBeforeInstallPromptEvent(
       int request_id,
@@ skipping 11 matching lines @@
   virtual blink::WebPlugin* CreatePluginPlaceholder(
     blink::WebLocalFrame* frame,
     const blink::WebPluginParams& params) = 0;
 
   virtual void OnWebTestProxyBaseDestroy(WebTestProxyBase* proxy) = 0;
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_WEB_TEST_DELEGATE_H_