WebVR: implement SetSurfaceHandleCHROMIUM extension for gvr_device.

gpu/command_buffer/client/gles2_cmd_helper_autogen.h

Index: gpu/command_buffer/client/gles2_cmd_helper_autogen.h
diff --git a/gpu/command_buffer/client/gles2_cmd_helper_autogen.h b/gpu/command_buffer/client/gles2_cmd_helper_autogen.h
index c893a282a826c7b7b13172a57f2d8c5b2616ac98..cb162b87679ceb46cf5dc14f3308d8d73d0374a1 100644
--- a/gpu/command_buffer/client/gles2_cmd_helper_autogen.h
+++ b/gpu/command_buffer/client/gles2_cmd_helper_autogen.h
@@ -3188,4 +3188,12 @@ void SwapBuffersWithDamageCHROMIUM(GLint x,
   }
 }
 
+void SetSurfaceHandleCHROMIUM(GLint surfaceHandle) {
+  gles2::cmds::SetSurfaceHandleCHROMIUM* c =
+      GetCmdSpace<gles2::cmds::SetSurfaceHandleCHROMIUM>();
+  if (c) {
+    c->Init(surfaceHandle);
+  }
+}
+
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_CMD_HELPER_AUTOGEN_H_