Move flush id from WebGraphicsContext3DImpl to GLES2Implementation.

gpu/command_buffer/client/gles2_c_lib_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 1505 matching lines @@
 }
 void GL_APIENTRY GLES2CommitOverlayPlanesCHROMIUM() {
   gles2::GetGLContext()->CommitOverlayPlanesCHROMIUM();
 }
 void GL_APIENTRY GLES2SwapInterval(GLint interval) {
   gles2::GetGLContext()->SwapInterval(interval);
 }
 void GL_APIENTRY GLES2FlushDriverCachesCHROMIUM() {
   gles2::GetGLContext()->FlushDriverCachesCHROMIUM();
 }
+GLuint GL_APIENTRY GLES2GetLastFlushIdCHROMIUM() {
+  return gles2::GetGLContext()->GetLastFlushIdCHROMIUM();
+}
 void GL_APIENTRY GLES2MatrixLoadfCHROMIUM(GLenum matrixMode, const GLfloat* m) {
   gles2::GetGLContext()->MatrixLoadfCHROMIUM(matrixMode, m);
 }
 void GL_APIENTRY GLES2MatrixLoadIdentityCHROMIUM(GLenum matrixMode) {
   gles2::GetGLContext()->MatrixLoadIdentityCHROMIUM(matrixMode);
 }
 GLuint GL_APIENTRY GLES2GenPathsCHROMIUM(GLsizei range) {
   return gles2::GetGLContext()->GenPathsCHROMIUM(range);
 }
 void GL_APIENTRY GLES2DeletePathsCHROMIUM(GLuint path, GLsizei range) {
@@ skipping 1345 matching lines @@
     },
     {
         "glSwapInterval",
         reinterpret_cast<GLES2FunctionPointer>(glSwapInterval),
     },
     {
         "glFlushDriverCachesCHROMIUM",
         reinterpret_cast<GLES2FunctionPointer>(glFlushDriverCachesCHROMIUM),
     },
     {
+        "glGetLastFlushIdCHROMIUM",
+        reinterpret_cast<GLES2FunctionPointer>(glGetLastFlushIdCHROMIUM),
+    },
+    {
         "glMatrixLoadfCHROMIUM",
         reinterpret_cast<GLES2FunctionPointer>(glMatrixLoadfCHROMIUM),
     },
     {
         "glMatrixLoadIdentityCHROMIUM",
         reinterpret_cast<GLES2FunctionPointer>(glMatrixLoadIdentityCHROMIUM),
     },
     {
         "glGenPathsCHROMIUM",
         reinterpret_cast<GLES2FunctionPointer>(glGenPathsCHROMIUM),
@@ skipping 123 matching lines @@
         reinterpret_cast<GLES2FunctionPointer>(
             glUniformMatrix4fvStreamTextureMatrixCHROMIUM),
     },
     {
         NULL, NULL,
     },
 };
 
 }  // namespace gles2
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_C_LIB_AUTOGEN_H_