Ensure GpuVideoDecoder satisfies outstanding reads before firing callback indicating it is reset.

media/filters/gpu_video_decoder.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/filters/gpu_video_decoder.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
@@ skipping 69 matching lines @@
   DCHECK(!closure.is_null());
 
   // VideoRendererBase::Flush() can't complete while it has a pending read to
   // us, so we fulfill such a read here.
   if (!pending_read_cb_.is_null())
     EnqueueFrameAndTriggerFrameDelivery(VideoFrame::CreateEmptyFrame());
 
   if (shutting_down_) {
     // Immediately fire the callback instead of waiting for the reset to
     // complete (which will happen after PipelineImpl::Stop() completes).
-    closure.Run();
+    gvd_loop_proxy_->PostTask(FROM_HERE, closure);
   } else {
     pending_reset_cb_ = closure;
   }
 
   vda_loop_proxy_->PostTask(FROM_HERE, base::Bind(
       &VideoDecodeAccelerator::Reset, vda_));
 }
 
 void GpuVideoDecoder::Stop(const base::Closure& closure) {
   if (!gvd_loop_proxy_->BelongsToCurrentThread()) {
@@ skipping 434 matching lines @@
 
   error_occured_ = true;
 
   if (!pending_read_cb_.is_null()) {
     base::ResetAndReturn(&pending_read_cb_).Run(kDecodeError, NULL);
     return;
   }
 }
 
 }  // namespace media