Unmute Tab Audio For Desktop Share

content/browser/media/capture/web_contents_audio_input_stream.h

 // Copyright (c) 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.
 //
 // An AudioInputStream which provides a loop-back of all audio output generated
 // by the entire RenderFrame tree associated with a WebContents instance.  The
 // single stream of data is produced by format-converting and mixing all audio
 // output streams.  As the RenderFrameHost tree mutates (e.g., due to page
 // navigations, or crashes/reloads), the stream will continue without
 // interruption.  In other words, WebContentsAudioInputStream provides tab-level
@@ skipping 55 matching lines @@
  private:
   friend class WebContentsAudioInputStreamTest;
 
   // Maintain most state and functionality in an internal ref-counted
   // implementation class.  This object must outlive a call to Close(), until
   // the shutdown tasks running on other threads complete: The
   // AudioMirroringManager on the IO thread, the WebContentsTracker on the UI
   // thread, and the VirtualAudioOuputStreams on the audio thread.
   class Impl;
 
-  WebContentsAudioInputStream(
-      int render_process_id, int main_render_frame_id,
-      AudioMirroringManager* mirroring_manager,
-      const scoped_refptr<WebContentsTracker>& tracker,
-      media::VirtualAudioInputStream* mixer_stream);
+  WebContentsAudioInputStream(int render_process_id,
+                              int main_render_frame_id,
+                              AudioMirroringManager* mirroring_manager,
+                              const scoped_refptr<WebContentsTracker>& tracker,
+                              media::VirtualAudioInputStream* mixer_stream,
+                              bool is_duplication);
 
   ~WebContentsAudioInputStream() override;
 
   scoped_refptr<Impl> impl_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsAudioInputStream);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_CAPTURE_WEB_CONTENTS_AUDIO_INPUT_STREAM_H_