Updated video decoder IPC to use PPB_Buffer_Dev's new support for SharedMemory.

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 5c317ee1ef105e94fc44ba976b8f744607052071..76edf084db209379bf17774c1c78363fe2f3ac12 100644
--- a/webkit/plugins/ppapi/ppb_video_decoder_impl.cc
+++ b/webkit/plugins/ppapi/ppb_video_decoder_impl.cc
@@ -233,12 +233,10 @@ bool PPB_VideoDecoder_Impl::Decode(
   if (!platform_video_decoder_.get())
     return false;
 
-  scoped_refptr<PPB_Buffer_Impl> pepper_buffer =
-      Resource::GetAs<PPB_Buffer_Impl>(bitstream_buffer->data);
-
-  media::BitstreamBuffer decode_buffer(bitstream_buffer->id,
-                                       pepper_buffer->mapped_buffer(),
-                                       bitstream_buffer->size);
+  media::BitstreamBuffer decode_buffer(
+      bitstream_buffer->id,
+      Resource::GetAs<PPB_Buffer_Impl>(bitstream_buffer->data)->handle(),
+      bitstream_buffer->size);
 
   // Store the callback to inform when bitstream buffer has been processed.
   // TODO(vmr): handle simultaneous decodes + callbacks.