Add a shallow command buffer flush that doesn't glFlush

gpu/command_buffer/client/gles2_c_lib_autogen.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.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // DO NOT EDIT!
 
 // These functions emulate GLES2 over command buffers.
 #ifndef GPU_COMMAND_BUFFER_CLIENT_GLES2_C_LIB_AUTOGEN_H_
@@ skipping 149 matching lines @@
 }
 void GLES2EnableVertexAttribArray(GLuint index) {
   gles2::GetGLContext()->EnableVertexAttribArray(index);
 }
 void GLES2Finish() {
   gles2::GetGLContext()->Finish();
 }
 void GLES2Flush() {
   gles2::GetGLContext()->Flush();
 }
+void GLES2ShallowFlushCHROMIUM() {
+  gles2::GetGLContext()->ShallowFlushCHROMIUM();
+}
 void GLES2FramebufferRenderbuffer(
     GLenum target, GLenum attachment, GLenum renderbuffertarget,
     GLuint renderbuffer) {
   gles2::GetGLContext()->FramebufferRenderbuffer(
       target, attachment, renderbuffertarget, renderbuffer);
 }
 void GLES2FramebufferTexture2D(
     GLenum target, GLenum attachment, GLenum textarget, GLuint texture,
     GLint level) {
   gles2::GetGLContext()->FramebufferTexture2D(
@@ skipping 471 matching lines @@
 void GLES2ConsumeTextureCHROMIUM(GLenum target, const GLbyte* mailbox) {
   gles2::GetGLContext()->ConsumeTextureCHROMIUM(target, mailbox);
 }
 void GLES2BindUniformLocationCHROMIUM(
     GLuint program, GLint location, const char* name) {
   gles2::GetGLContext()->BindUniformLocationCHROMIUM(program, location, name);
 }
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_C_LIB_AUTOGEN_H_