Unmute Tab Audio For Desktop Share

content/browser/media/capture/web_contents_audio_muter.cc

 // Copyright 2014 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.
 
 #include "content/browser/media/capture/web_contents_audio_muter.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/macros.h"
 #include "content/browser/media/capture/audio_mirroring_manager.h"
@@ skipping 94 matching lines @@
         matches.insert(*i);
     }
     results_callback.Run(matches);
   }
 
   media::AudioOutputStream* AddInput(
       const media::AudioParameters& params) override {
     return new AudioDiscarder(params);
   }
 
+  media::AudioPushSink* AddPushInput(
+      const media::AudioParameters& params) override {
+    NOTREACHED();
+    return nullptr;
+  }
+
+  bool IsDuplication() override { return false; }
+
   WebContents* const web_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(MuteDestination);
 };
 
 WebContentsAudioMuter::WebContentsAudioMuter(WebContents* web_contents)
     : destination_(new MuteDestination(web_contents)), is_muting_(false) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 }
 
@@ skipping 20 matching lines @@
     return;
   is_muting_ = false;
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&AudioMirroringManager::StopMirroring,
                  base::Unretained(AudioMirroringManager::GetInstance()),
                  base::RetainedRef(destination_)));
 }
 
 }  // namespace content