Make it possible to switch between two different versions of ANGLE.

media/media.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # Override to dynamically link the cras (ChromeOS audio) library.
     'use_cras%': 0,
     # Option e.g. for Linux distributions to link pulseaudio directly
@@ skipping 1370 matching lines @@
             ['toolkit_uses_gtk==1', {
               'dependencies': [
                 '../build/linux/system.gyp:gtk',
               ],
               'sources': [
                 'tools/shader_bench/window_linux.cc',
               ],
             }],
             ['OS=="win"', {
               'dependencies': [
-                '../third_party/angle/src/build_angle.gyp:libEGL',
-                '../third_party/angle/src/build_angle.gyp:libGLESv2',
+                '<(angle_path)/src/build_angle.gyp:libEGL',
+                '<(angle_path)/src/build_angle.gyp:libGLESv2',
               ],
               'sources': [
                 'tools/shader_bench/window_win.cc',
               ],
             }],
             # See http://crbug.com/162998#c4 for why this is needed.
             ['OS=="linux" and linux_use_tcmalloc==1', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
@@ skipping 239 matching lines @@
           'sources': [
             'tools/media_bench/media_bench.cc',
           ],
           # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
           'msvs_disabled_warnings': [ 4267, ],
         },
       ],
     }],
   ],
 }