[Media] Add user gesture reporting for API calls to midi and media streams.

content/browser/renderer_host/media/media_stream_dispatcher_host.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_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
 
 #include <map>
 #include <string>
 #include <utility>
@@ skipping 48 matching lines @@
 
  protected:
   virtual ~MediaStreamDispatcherHost();
 
  private:
   friend class MockMediaStreamDispatcherHost;
 
   void OnGenerateStream(int render_view_id,
                         int page_request_id,
                         const StreamOptions& components,
-                        const GURL& security_origin);
+                        const GURL& security_origin,
+                        bool user_gesture);
   void OnCancelGenerateStream(int render_view_id,
                               int page_request_id);
   void OnStopStreamDevice(int render_view_id,
                           const std::string& device_id);
 
   void OnEnumerateDevices(int render_view_id,
                           int page_request_id,
                           MediaStreamType type,
                           const GURL& security_origin);
 
@@ skipping 16 matching lines @@
   int render_process_id_;
   ResourceContext::SaltCallback salt_callback_;
   MediaStreamManager* media_stream_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaStreamDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_