Update from https://crrev.com/304715

gpu/command_buffer/client/vertex_array_object_manager.h

 // Copyright (c) 2012 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.
 
 #ifndef GPU_COMMAND_BUFFER_CLIENT_VERTEX_ARRAY_OBJECT_MANAGER_H_
 #define GPU_COMMAND_BUFFER_CLIENT_VERTEX_ARRAY_OBJECT_MANAGER_H_
 
 #include <GLES2/gl2.h>
 
 #include "base/containers/hash_tables.h"
@@ skipping 99 matching lines @@
   GLsizei array_buffer_offset_;
   GLuint element_array_buffer_id_;
   GLsizei element_array_buffer_size_;
   GLsizei collection_buffer_size_;
   scoped_ptr<int8[]> collection_buffer_;
 
   VertexArrayObject* default_vertex_array_object_;
   VertexArrayObject* bound_vertex_array_object_;
   VertexArrayObjectMap vertex_array_objects_;
 
-  bool support_client_side_arrays_;
+  const bool support_client_side_arrays_;
 
   DISALLOW_COPY_AND_ASSIGN(VertexArrayObjectManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_VERTEX_ARRAY_OBJECT_MANAGER_H_