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

content/renderer/pepper/ppb_graphics_3d_impl.h

Index: content/renderer/pepper/ppb_graphics_3d_impl.h
diff --git a/content/renderer/pepper/ppb_graphics_3d_impl.h b/content/renderer/pepper/ppb_graphics_3d_impl.h
index 6dd34624f76fca7309570a1f3d25ab6335fa95c0..57ac15b6d0829bb15c39d5f87b43cef4a0642d9d 100644
--- a/content/renderer/pepper/ppb_graphics_3d_impl.h
+++ b/content/renderer/pepper/ppb_graphics_3d_impl.h
@@ -10,6 +10,7 @@
 #include "base/macros.h"
 #include "base/memory/shared_memory.h"
 #include "base/memory/weak_ptr.h"
+#include "gpu/command_buffer/client/gpu_control_client.h"
 #include "gpu/command_buffer/common/command_buffer_id.h"
 #include "gpu/command_buffer/common/mailbox.h"
 #include "gpu/command_buffer/common/sync_token.h"
@@ -24,7 +25,8 @@ class GpuChannelHost;
 
 namespace content {
 
-class PPB_Graphics3D_Impl : public ppapi::PPB_Graphics3D_Shared {
+class PPB_Graphics3D_Impl : public ppapi::PPB_Graphics3D_Shared,
+                            public gpu::GpuControlClient {
  public:
   static PP_Resource CreateRaw(PP_Instance instance,
                                PP_Resource share_context,
@@ -81,10 +83,12 @@ class PPB_Graphics3D_Impl : public ppapi::PPB_Graphics3D_Shared {
                base::SharedMemoryHandle* shared_state_handle,
                gpu::CommandBufferId* command_buffer_id);
 
-  // Notifications received from the GPU process.
+  // GpuControlClient implementation.
+  void OnGpuControlLostContext() final;
+  void OnGpuControlErrorMessage(const char* msg, int id) final;
+
+  // Other notifications from the GPU process.
   void OnSwapBuffers();
-  void OnContextLost();
-  void OnConsoleMessage(const std::string& msg, int id);
   // Notifications sent to plugin.
   void SendContextLost();
 
@@ -93,6 +97,10 @@ class PPB_Graphics3D_Impl : public ppapi::PPB_Graphics3D_Shared {
   // True when waiting for compositor to commit our backing texture.
   bool commit_pending_;
 
+#if DCHECK_IS_ON()
+  bool lost_context_ = false;
+#endif
+
   gpu::Mailbox mailbox_;
   gpu::SyncToken sync_token_;
   bool has_alpha_;