Delete copy_texture_to_parent_texture from GPU command buffer code.

gpu/command_buffer/client/gles2_c_lib_autogen.h

 // Copyright (c) 2011 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 emluate GLES2 over command buffers.
 #ifndef GPU_COMMAND_BUFFER_CLIENT_GLES2_C_LIB_AUTOGEN_H_
@@ skipping 536 matching lines @@
 }
 void* GLES2MapTexSubImage2DCHROMIUM(
     GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
     GLsizei height, GLenum format, GLenum type, GLenum access) {
   return gles2::GetGLContext()->MapTexSubImage2DCHROMIUM(
       target, level, xoffset, yoffset, width, height, format, type, access);
 }
 void GLES2UnmapTexSubImage2DCHROMIUM(const void* mem) {
   gles2::GetGLContext()->UnmapTexSubImage2DCHROMIUM(mem);
 }
-void GLES2CopyTextureToParentTextureCHROMIUM(
-    GLuint client_child_id, GLuint client_parent_id) {
-  gles2::GetGLContext()->CopyTextureToParentTextureCHROMIUM(
-      client_child_id, client_parent_id);
-}
 void GLES2ResizeCHROMIUM(GLuint width, GLuint height) {
   gles2::GetGLContext()->ResizeCHROMIUM(width, height);
 }
 const GLchar* GLES2GetRequestableExtensionsCHROMIUM() {
   return gles2::GetGLContext()->GetRequestableExtensionsCHROMIUM();
 }
 void GLES2RequestExtensionCHROMIUM(const char* extension) {
   gles2::GetGLContext()->RequestExtensionCHROMIUM(extension);
 }
 void GLES2RateLimitOffscreenContextCHROMIUM() {
   gles2::GetGLContext()->RateLimitOffscreenContextCHROMIUM();
 }
 void GLES2SetSurfaceCHROMIUM(GLint surface_id) {
   gles2::GetGLContext()->SetSurfaceCHROMIUM(surface_id);
 }
 void GLES2GetMultipleIntegervCHROMIUM(
     const GLenum* pnames, GLuint count, GLint* results, GLsizeiptr size) {
   gles2::GetGLContext()->GetMultipleIntegervCHROMIUM(
       pnames, count, results, size);
 }
 void GLES2GetProgramInfoCHROMIUM(
     GLuint program, GLsizei bufsize, GLsizei* size, void* info) {
   gles2::GetGLContext()->GetProgramInfoCHROMIUM(program, bufsize, size, info);
 }
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_C_LIB_AUTOGEN_H_