Update the passthrough command decoder to use the new CHROMIUM_copy_texture.

ui/gl/gl_mock.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 implements mock GL Interface for unit testing. The interface
 // corresponds to the set of functionally distinct GL functions defined in
 // generate_bindings.py, which may originate from either desktop GL or GLES.
 
 #ifndef UI_GL_GL_MOCK_H_
 #define UI_GL_GL_MOCK_H_
@@ skipping 29 matching lines @@
   // Functions that cannot be mocked because they have more than 10 args.
   void CompressedTexSubImage3D(
       GLenum /*target*/, GLint /*level*/, GLint /*xoffset*/, GLint /*yoffset*/,
       GLint /*zoffset*/, GLsizei /*width*/, GLsizei /*height*/,
       GLsizei /*depth*/, GLenum /*format*/, GLsizei /*imageSize*/,
       const void* /*data*/) {
     NOTREACHED();
   }
 
   void CopySubTextureCHROMIUM(GLuint /*sourceId*/,
+                              GLint /*sourceLevel*/,
+                              GLenum /*destTarget*/,
                               GLuint /*destId*/,
+                              GLint /*destLevel*/,
                               GLint /*xoffset*/,
                               GLint /*yoffset*/,
                               GLint /*x*/,
                               GLint /*y*/,
                               GLsizei /*width*/,
                               GLsizei /*height*/,
                               GLboolean /*unpackFlipY*/,
                               GLboolean /*unpackPremultiplyAlpha*/,
                               GLboolean /*unpackUnmultiplyAlpha*/) {
     NOTREACHED();
@@ skipping 59 matching lines @@
   #include "gl_bindings_autogen_mock.h"
 
   static void GL_BINDING_CALL Mock_glTexSubImage3DNoData(
       GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
       GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type);
 };
 
 }  // namespace gl
 
 #endif  // UI_GL_GL_MOCK_H_