Extend components/test_runner's generated WebMediaStream to have a Chrome VideoTrack and Source

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>
 
 #include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/WebKit/public/platform/modules/screen_orientation/WebScreenOrientationType.h"
 
 #define WEBTESTRUNNER_NEW_HISTORY_CAPTURE
 
 namespace blink {
 class WebBatteryStatus;
 class WebDeviceMotionData;
 class WebDeviceOrientationData;
 class WebFrame;
 class WebGamepad;
 class WebGamepads;
 class WebHistoryItem;
 class WebLayer;
 class WebLocalFrame;
+class WebMediaStream;
 class WebPlugin;
 struct WebPluginParams;
-class WebURLResponse;
-class WebView;
 struct WebRect;
 struct WebSize;
 struct WebURLError;
+class WebURLResponse;
+class WebView;
 }
 
 namespace cc {
 class TextureLayer;
 class TextureLayerClient;
 class SharedBitmapManager;
 }
 
 namespace test_runner {
 
@@ skipping 190 matching lines @@
   // Sends a message to the LayoutTestPermissionManager in order for it to
   // 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 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,
       const std::vector<std::string>& event_platforms,
@@ skipping 10 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_