Disable preroll duration increase on underflow for MediaSource playback.

media/base/pipeline.cc

 // 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.
 
 #include "media/base/pipeline.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 910 matching lines @@
   if (!message_loop_->BelongsToCurrentThread()) {
     message_loop_->PostTask(FROM_HERE, base::Bind(
         &Pipeline::OnAudioUnderflow, base::Unretained(this)));
     return;
   }
 
   if (state_ != kStarted)
     return;
 
   if (audio_renderer_)
-    audio_renderer_->ResumeAfterUnderflow(true);
+    audio_renderer_->ResumeAfterUnderflow();
 }
 
 void Pipeline::StartClockIfWaitingForTimeUpdate_Locked() {
   lock_.AssertAcquired();
   if (!waiting_for_clock_update_)
     return;
 
   waiting_for_clock_update_ = false;
   clock_->Play();
 }
 
 }  // namespace media