Make lost context and error message callbacks on GpuControl go to client

content/renderer/pepper/pepper_video_encoder_host.h

Index: content/renderer/pepper/pepper_video_encoder_host.h
diff --git a/content/renderer/pepper/pepper_video_encoder_host.h b/content/renderer/pepper/pepper_video_encoder_host.h
index d6a47d8f34c1666f69d87157b851e892a6fa02a8..9e89f94ee09342f8cf6f19dfe2a33780fe263efc 100644
--- a/content/renderer/pepper/pepper_video_encoder_host.h
+++ b/content/renderer/pepper/pepper_video_encoder_host.h
@@ -13,6 +13,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "content/common/content_export.h"
+#include "gpu/command_buffer/client/gpu_control_client.h"
 #include "media/video/video_encode_accelerator.h"
 #include "ppapi/c/pp_codecs.h"
 #include "ppapi/c/ppb_video_frame.h"
@@ -38,7 +39,8 @@ class VideoEncoderShim;
 class CONTENT_EXPORT PepperVideoEncoderHost
     : public ppapi::host::ResourceHost,
       public media::VideoEncodeAccelerator::Client,
-      public ppapi::MediaStreamBufferManager::Delegate {
+      public ppapi::MediaStreamBufferManager::Delegate,
+      public gpu::GpuControlClient {
  public:
   PepperVideoEncoderHost(RendererPpapiHost* host,
                          PP_Instance instance,
@@ -76,6 +78,10 @@ class CONTENT_EXPORT PepperVideoEncoderHost
       const IPC::Message& msg,
       ppapi::host::HostMessageContext* context) override;
 
+  // GpuControlClient implementation.
+  void OnGpuControlLostContext() final;
+  void OnGpuControlErrorMessage(const char* msg, int id) final {}
+
   int32_t OnHostMsgGetSupportedProfiles(
       ppapi::host::HostMessageContext* context);
   int32_t OnHostMsgInitialize(ppapi::host::HostMessageContext* context,
@@ -161,6 +167,10 @@ class CONTENT_EXPORT PepperVideoEncoderHost
   // Format of the frames to give to the encoder.
   media::VideoPixelFormat media_input_format_;
 
+#if DCHECK_IS_ON()
+  bool lost_context_ = false;
+#endif
+
   base::WeakPtrFactory<PepperVideoEncoderHost> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperVideoEncoderHost);