gpu: Extend CopyTextureCHROMIUM with support for copying part of source texture.

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 1119 matching lines @@
 void GLES2InterfaceStub::CopyTextureCHROMIUM(GLenum /* target */,
                                              GLenum /* source_id */,
                                              GLenum /* dest_id */,
                                              GLint /* internalformat */,
                                              GLenum /* dest_type */) {
 }
 void GLES2InterfaceStub::CopySubTextureCHROMIUM(GLenum /* target */,
                                                 GLenum /* source_id */,
                                                 GLenum /* dest_id */,
                                                 GLint /* xoffset */,
-                                                GLint /* yoffset */) {
+                                                GLint /* yoffset */,
+                                                GLint /* x */,
+                                                GLint /* y */,
+                                                GLsizei /* width */,
+                                                GLsizei /* height */) {
 }
 void GLES2InterfaceStub::DrawArraysInstancedANGLE(GLenum /* mode */,
                                                   GLint /* first */,
                                                   GLsizei /* count */,
                                                   GLsizei /* primcount */) {
 }
 void GLES2InterfaceStub::DrawElementsInstancedANGLE(GLenum /* mode */,
                                                     GLsizei /* count */,
                                                     GLenum /* type */,
                                                     const void* /* indices */,
@@ skipping 115 matching lines @@
 void GLES2InterfaceStub::SwapInterval(GLint /* interval */) {
 }
 void GLES2InterfaceStub::MatrixLoadfCHROMIUM(GLenum /* matrixMode */,
                                              const GLfloat* /* m */) {
 }
 void GLES2InterfaceStub::MatrixLoadIdentityCHROMIUM(GLenum /* matrixMode */) {
 }
 void GLES2InterfaceStub::BlendBarrierKHR() {
 }
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_INTERFACE_STUB_IMPL_AUTOGEN_H_