Make more GL stuff auto-generated

gpu/command_buffer/common/gl_mock.cc

Index: gpu/command_buffer/common/gl_mock.cc
diff --git a/gpu/command_buffer/common/gl_mock.cc b/gpu/command_buffer/common/gl_mock.cc
deleted file mode 100644
index 0d2b0977f5b53cfdeb3d9b9fc4fd2f68b068aaed..0000000000000000000000000000000000000000
--- a/gpu/command_buffer/common/gl_mock.cc
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "gpu/command_buffer/common/gl_mock.h"
-
-namespace gfx {
-
-MockGLInterface::MockGLInterface() {
-}
-
-MockGLInterface::~MockGLInterface() {
-}
-
-}  // namespace gfx