VideoDecodeAccelerator now SupportsWeakPtr instead of being RefCountedThreadSafe.

content/common/gpu/client/command_buffer_proxy_impl.cc

Index: content/common/gpu/client/command_buffer_proxy_impl.cc
diff --git a/content/common/gpu/client/command_buffer_proxy_impl.cc b/content/common/gpu/client/command_buffer_proxy_impl.cc
index 80e0b1c9f6f88f67fbd3faf7fd1a137e09865b91..ebbc909b9d524c5dd0b291929080b05a94c8460d 100644
--- a/content/common/gpu/client/command_buffer_proxy_impl.cc
+++ b/content/common/gpu/client/command_buffer_proxy_impl.cc
@@ -29,7 +29,8 @@ using gpu::Buffer;
 CommandBufferProxyImpl::CommandBufferProxyImpl(
     GpuChannelHost* channel,
     int route_id)
-    : shared_state_(NULL),
+    : video_decoder_hosts_deleter_(&video_decoder_hosts_),
+      shared_state_(NULL),
       channel_(channel),
       route_id_(route_id),
       flush_count_(0),
@@ -483,7 +484,7 @@ void CommandBufferProxyImpl::SetNotifyRepaintTask(const base::Closure& task) {
   notify_repaint_task_ = task;
 }
 
-scoped_refptr<GpuVideoDecodeAcceleratorHost>
+GpuVideoDecodeAcceleratorHost*
 CommandBufferProxyImpl::CreateVideoDecoder(
     media::VideoCodecProfile profile,
     media::VideoDecodeAccelerator::Client* client) {
@@ -499,13 +500,13 @@ CommandBufferProxyImpl::CreateVideoDecoder(
     return NULL;
   }
 
-  scoped_refptr<GpuVideoDecodeAcceleratorHost> decoder_host =
+  GpuVideoDecodeAcceleratorHost* decoder_host =
       new GpuVideoDecodeAcceleratorHost(channel_, decoder_route_id, client);
   bool inserted = video_decoder_hosts_.insert(std::make_pair(
       decoder_route_id, decoder_host)).second;
   DCHECK(inserted);
 
-  channel_->AddRoute(decoder_route_id, decoder_host->AsWeakPtr());
+  channel_->AddRoute(decoder_route_id, base::AsWeakPtr(decoder_host));
 
   return decoder_host;
 }