WebVR: implement SetSurfaceHandleCHROMIUM extension for gvr_device.

gpu/command_buffer/common/gles2_cmd_format_autogen.h

Index: gpu/command_buffer/common/gles2_cmd_format_autogen.h
diff --git a/gpu/command_buffer/common/gles2_cmd_format_autogen.h b/gpu/command_buffer/common/gles2_cmd_format_autogen.h
index ff02094ec043ee9f7143479193f07fa12aab3286..1e06b31cc81c2cc01b11bece557031a208650203 100644
--- a/gpu/command_buffer/common/gles2_cmd_format_autogen.h
+++ b/gpu/command_buffer/common/gles2_cmd_format_autogen.h
@@ -15598,4 +15598,37 @@ static_assert(offsetof(SwapBuffersWithDamageCHROMIUM, width) == 12,
 static_assert(offsetof(SwapBuffersWithDamageCHROMIUM, height) == 16,
               "offset of SwapBuffersWithDamageCHROMIUM height should be 16");
 
+struct SetSurfaceHandleCHROMIUM {
+  typedef SetSurfaceHandleCHROMIUM ValueType;
+  static const CommandId kCmdId = kSetSurfaceHandleCHROMIUM;
+  static const cmd::ArgFlags kArgFlags = cmd::kFixed;
+  static const uint8_t cmd_flags = CMD_FLAG_SET_TRACE_LEVEL(3);
+
+  static uint32_t ComputeSize() {
+    return static_cast<uint32_t>(sizeof(ValueType));  // NOLINT
+  }
+
+  void SetHeader() { header.SetCmd<ValueType>(); }
+
+  void Init(GLint _surfaceHandle) {
+    SetHeader();
+    surfaceHandle = _surfaceHandle;
+  }
+
+  void* Set(void* cmd, GLint _surfaceHandle) {
+    static_cast<ValueType*>(cmd)->Init(_surfaceHandle);
+    return NextCmdAddress<ValueType>(cmd);
+  }
+
+  gpu::CommandHeader header;
+  int32_t surfaceHandle;
+};
+
+static_assert(sizeof(SetSurfaceHandleCHROMIUM) == 8,
+              "size of SetSurfaceHandleCHROMIUM should be 8");
+static_assert(offsetof(SetSurfaceHandleCHROMIUM, header) == 0,
+              "offset of SetSurfaceHandleCHROMIUM header should be 0");
+static_assert(offsetof(SetSurfaceHandleCHROMIUM, surfaceHandle) == 4,
+              "offset of SetSurfaceHandleCHROMIUM surfaceHandle should be 4");
+
 #endif  // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_FORMAT_AUTOGEN_H_