Revert of 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 9e89f94ee09342f8cf6f19dfe2a33780fe263efc..d6a47d8f34c1666f69d87157b851e892a6fa02a8 100644
--- a/content/renderer/pepper/pepper_video_encoder_host.h
+++ b/content/renderer/pepper/pepper_video_encoder_host.h
@@ -13,7 +13,6 @@
 #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"
@@ -39,8 +38,7 @@
 class CONTENT_EXPORT PepperVideoEncoderHost
     : public ppapi::host::ResourceHost,
       public media::VideoEncodeAccelerator::Client,
-      public ppapi::MediaStreamBufferManager::Delegate,
-      public gpu::GpuControlClient {
+      public ppapi::MediaStreamBufferManager::Delegate {
  public:
   PepperVideoEncoderHost(RendererPpapiHost* host,
                          PP_Instance instance,
@@ -77,10 +75,6 @@
   int32_t OnResourceMessageReceived(
       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);
@@ -167,10 +161,6 @@
   // 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);