work-in-progress patch to fix context lost black video

content/browser/android/in_process/synchronous_compositor_factory_impl.h

Index: content/browser/android/in_process/synchronous_compositor_factory_impl.h
diff --git a/content/browser/android/in_process/synchronous_compositor_factory_impl.h b/content/browser/android/in_process/synchronous_compositor_factory_impl.h
index 42d04d36c8583f00e6d620defddbb216885d1247..73044bb792c20264d82e26140d7f6b12283a99d4 100644
--- a/content/browser/android/in_process/synchronous_compositor_factory_impl.h
+++ b/content/browser/android/in_process/synchronous_compositor_factory_impl.h
@@ -65,12 +65,14 @@ class SynchronousCompositorFactoryImpl : public SynchronousCompositorFactory {
   bool CanCreateMainThreadContext();
   scoped_refptr<StreamTextureFactorySynchronousImpl::ContextProvider>
       TryCreateStreamTextureFactory();
+  void RestoreContextOnMainThread();
 
   SynchronousInputEventFilter synchronous_input_event_filter_;
 
   scoped_refptr<gpu::InProcessCommandBuffer::Service> service_;
-  scoped_refptr<StreamTextureFactorySynchronousImpl::ContextProvider>
-      video_context_provider_;
+
+  class VideoContextProvider;
+  scoped_refptr<VideoContextProvider> video_context_provider_;
 
   bool record_full_layer_;
 
@@ -78,6 +80,7 @@ class SynchronousCompositorFactoryImpl : public SynchronousCompositorFactory {
   // read on renderer main thread.
   base::Lock num_hardware_compositor_lock_;
   unsigned int num_hardware_compositors_;
+  scoped_refptr<base::MessageLoopProxy> main_thread_proxy_;
 };
 
 }  // namespace content