Remove ANGLE_pack_reverse_row_order.

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // 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.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
 
@@ skipping 9446 matching lines @@
         glPixelStorei(pname, param);
       break;
     default:
       glPixelStorei(pname, param);
       break;
   }
   switch (pname) {
     case GL_PACK_ALIGNMENT:
       state_.pack_alignment = param;
       break;
-    case GL_PACK_REVERSE_ROW_ORDER_ANGLE:
-      state_.pack_reverse_row_order = (param != 0);
-      break;
     case GL_PACK_ROW_LENGTH:
       state_.pack_row_length = param;
       break;
     case GL_PACK_SKIP_PIXELS:
       state_.pack_skip_pixels = param;
       break;
     case GL_PACK_SKIP_ROWS:
       state_.pack_skip_rows = param;
       break;
     case GL_UNPACK_ALIGNMENT:
@@ skipping 6307 matching lines @@
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "base/macros.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu