VideoDecodeAccelerator now SupportsWeakPtr instead of being RefCountedThreadSafe.

webkit/plugins/ppapi/ppb_video_decoder_impl.cc

Index: webkit/plugins/ppapi/ppb_video_decoder_impl.cc
diff --git a/webkit/plugins/ppapi/ppb_video_decoder_impl.cc b/webkit/plugins/ppapi/ppb_video_decoder_impl.cc
index 9c63e13bdad96892d4290c2432dc36bae92e4414..b1bcc9d0f7d53b03b70f300521afac949198b18f 100644
--- a/webkit/plugins/ppapi/ppb_video_decoder_impl.cc
+++ b/webkit/plugins/ppapi/ppb_video_decoder_impl.cc
@@ -116,9 +116,9 @@ bool PPB_VideoDecoder_Impl::Init(
   if (!plugin_delegate)
     return false;
 
-  platform_video_decoder_ = plugin_delegate->CreateVideoDecoder(
-      this, command_buffer_route_id);
-  if (!platform_video_decoder_)
+  platform_video_decoder_.reset(plugin_delegate->CreateVideoDecoder(
+      this, command_buffer_route_id));
+  if (!platform_video_decoder_.get())
     return false;
 
   FlushCommandBuffer();
@@ -128,7 +128,7 @@ bool PPB_VideoDecoder_Impl::Init(
 int32_t PPB_VideoDecoder_Impl::Decode(
     const PP_VideoBitstreamBuffer_Dev* bitstream_buffer,
     scoped_refptr<TrackedCallback> callback) {
-  if (!platform_video_decoder_)
+  if (!platform_video_decoder_.get())
     return PP_ERROR_BADRESOURCE;
 
   EnterResourceNoLock<PPB_Buffer_API> enter(bitstream_buffer->data, true);
@@ -151,7 +151,7 @@ int32_t PPB_VideoDecoder_Impl::Decode(
 void PPB_VideoDecoder_Impl::AssignPictureBuffers(
     uint32_t no_of_buffers,
     const PP_PictureBuffer_Dev* buffers) {
-  if (!platform_video_decoder_)
+  if (!platform_video_decoder_.get())
     return;
 
   std::vector<media::PictureBuffer> wrapped_buffers;
@@ -169,7 +169,7 @@ void PPB_VideoDecoder_Impl::AssignPictureBuffers(
 }
 
 void PPB_VideoDecoder_Impl::ReusePictureBuffer(int32_t picture_buffer_id) {
-  if (!platform_video_decoder_)
+  if (!platform_video_decoder_.get())
     return;
 
   FlushCommandBuffer();
@@ -177,7 +177,7 @@ void PPB_VideoDecoder_Impl::ReusePictureBuffer(int32_t picture_buffer_id) {
 }
 
 int32_t PPB_VideoDecoder_Impl::Flush(scoped_refptr<TrackedCallback> callback) {
-  if (!platform_video_decoder_)
+  if (!platform_video_decoder_.get())
     return PP_ERROR_BADRESOURCE;
 
   if (!SetFlushCallback(callback))
@@ -189,7 +189,7 @@ int32_t PPB_VideoDecoder_Impl::Flush(scoped_refptr<TrackedCallback> callback) {
 }
 
 int32_t PPB_VideoDecoder_Impl::Reset(scoped_refptr<TrackedCallback> callback) {
-  if (!platform_video_decoder_)
+  if (!platform_video_decoder_.get())
     return PP_ERROR_BADRESOURCE;
 
   if (!SetResetCallback(callback))
@@ -201,13 +201,12 @@ int32_t PPB_VideoDecoder_Impl::Reset(scoped_refptr<TrackedCallback> callback) {
 }
 
 void PPB_VideoDecoder_Impl::Destroy() {
-  if (!platform_video_decoder_)
+  if (!platform_video_decoder_.get())
     return;
 
   FlushCommandBuffer();
-  platform_video_decoder_->Destroy();
+  platform_video_decoder_.release()->Destroy();
   ::ppapi::PPB_VideoDecoder_Shared::Destroy();
-  platform_video_decoder_ = NULL;
   ppp_videodecoder_ = NULL;
 }