Implementing FlushMappedBufferRange in GPU command buffer.

gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h

 // Copyright 2014 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.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 832 matching lines @@
 void GLES2InterfaceStub::UnmapBufferSubDataCHROMIUM(const void* /* mem */) {}
 void* GLES2InterfaceStub::MapBufferRange(GLenum /* target */,
                                          GLintptr /* offset */,
                                          GLsizeiptr /* size */,
                                          GLbitfield /* access */) {
   return 0;
 }
 GLboolean GLES2InterfaceStub::UnmapBuffer(GLenum /* target */) {
   return 0;
 }
+void GLES2InterfaceStub::FlushMappedBufferRange(GLenum /* target */,
+                                                GLintptr /* offset */,
+                                                GLsizeiptr /* size */) {}
 void* GLES2InterfaceStub::MapTexSubImage2DCHROMIUM(GLenum /* target */,
                                                    GLint /* level */,
                                                    GLint /* xoffset */,
                                                    GLint /* yoffset */,
                                                    GLsizei /* width */,
                                                    GLsizei /* height */,
                                                    GLenum /* format */,
                                                    GLenum /* type */,
                                                    GLenum /* access */) {
   return 0;
@@ skipping 290 matching lines @@
 }
 void GLES2InterfaceStub::UniformMatrix4fvStreamTextureMatrixCHROMIUM(
     GLint /* location */,
     GLboolean /* transpose */,
     const GLfloat* /* transform */) {}
 void GLES2InterfaceStub::SwapBuffersWithDamageCHROMIUM(GLint /* x */,
                                                        GLint /* y */,
                                                        GLint /* width */,
                                                        GLint /* height */) {}
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_INTERFACE_STUB_IMPL_AUTOGEN_H_