Implementing FlushMappedBufferRange in GPU command buffer.

gpu/command_buffer/client/gles2_cmd_helper_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 2396 matching lines @@
   }
 }
 
 void UnmapBuffer(GLenum target) {
   gles2::cmds::UnmapBuffer* c = GetCmdSpace<gles2::cmds::UnmapBuffer>();
   if (c) {
     c->Init(target);
   }
 }
 
+void FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr size) {
+  gles2::cmds::FlushMappedBufferRange* c =
+      GetCmdSpace<gles2::cmds::FlushMappedBufferRange>();
+  if (c) {
+    c->Init(target, offset, size);
+  }
+}
+
 void ResizeCHROMIUM(GLuint width,
                     GLuint height,
                     GLfloat scale_factor,
                     GLboolean alpha) {
   gles2::cmds::ResizeCHROMIUM* c = GetCmdSpace<gles2::cmds::ResizeCHROMIUM>();
   if (c) {
     c->Init(width, height, scale_factor, alpha);
   }
 }
 
@@ skipping 730 matching lines @@
   gles2::cmds::UniformMatrix4fvStreamTextureMatrixCHROMIUMImmediate* c =
       GetImmediateCmdSpaceTotalSize<
           gles2::cmds::UniformMatrix4fvStreamTextureMatrixCHROMIUMImmediate>(
           size);
   if (c) {
     c->Init(location, transpose, transform);
   }
 }
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_CMD_HELPER_AUTOGEN_H_