Remove threading from RendererGpuVideoAcceleratorFactories

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 266276e18f14dd912364ca7830ce100e61fa4bd6..b567cc989dfb327b289cc19479e762b7a43e96e5 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -871,6 +871,8 @@ RenderThreadImpl::GetGpuFactories() {
   scoped_refptr<GpuChannelHost> gpu_channel_host = GetGpuChannel();
   const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
   scoped_refptr<RendererGpuVideoAcceleratorFactories> gpu_factories;
+  scoped_refptr<base::MessageLoopProxy> media_loop_proxy =
+      GetMediaThreadMessageLoopProxy();
   if (!cmd_line->HasSwitch(switches::kDisableAcceleratedVideoDecode)) {
     if (!gpu_va_context_provider_ ||
         gpu_va_context_provider_->DestroyedOnMainThread()) {
@@ -885,11 +887,16 @@ RenderThreadImpl::GetGpuFactories() {
                   WebKit::WebGraphicsContext3D::Attributes(),
                   GURL("chrome://gpu/RenderThreadImpl::GetGpuVDAContext3D"))),
           "GPU-VideoAccelerator-Offscreen");
+      media_loop_proxy->PostTask(
+          FROM_HERE,
+          base::Bind(
+              base::IgnoreResult(&cc::ContextProvider::BindToCurrentThread),
+              gpu_va_context_provider_));
     }
   }
   if (gpu_channel_host) {
     gpu_factories = new RendererGpuVideoAcceleratorFactories(
-        gpu_channel_host.get(), gpu_va_context_provider_);
+        gpu_channel_host, media_loop_proxy, gpu_va_context_provider_);
   }
   return gpu_factories;
 }