VideoDecodeAccelerator now SupportsWeakPtr instead of being RefCountedThreadSafe.

content/common/gpu/client/gpu_video_decode_accelerator_host.cc

Index: content/common/gpu/client/gpu_video_decode_accelerator_host.cc
diff --git a/content/common/gpu/client/gpu_video_decode_accelerator_host.cc b/content/common/gpu/client/gpu_video_decode_accelerator_host.cc
index 77cdd3accac3eaa7990bca98a926fb55f8948e1c..b14579705efdd7b018354a9bfc97a071c2974639 100644
--- a/content/common/gpu/client/gpu_video_decode_accelerator_host.cc
+++ b/content/common/gpu/client/gpu_video_decode_accelerator_host.cc
@@ -117,11 +117,13 @@ void GpuVideoDecodeAcceleratorHost::Reset() {
   Send(new AcceleratedVideoDecoderMsg_Reset(decoder_route_id_));
 }
 
-void GpuVideoDecodeAcceleratorHost::Destroy() {
+void GpuVideoDecodeAcceleratorHost::Destroy(bool pass_ownership) {
   DCHECK(CalledOnValidThread());
   channel_->RemoveRoute(decoder_route_id_);
   client_ = NULL;
   Send(new AcceleratedVideoDecoderMsg_Destroy(decoder_route_id_));
+  if (pass_ownership)
+    delete this;
 }
 
 GpuVideoDecodeAcceleratorHost::~GpuVideoDecodeAcceleratorHost() {}