libvpx: Pull from upstream

libvpx.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': {
     'use_system_libvpx%': 0,
     'libvpx_build_vp9%': 1,
     'libvpx_source%': 'source/libvpx',
   },
   'target_defaults': {
@@ skipping 94 matching lines @@
                 ['target_arch=="ia32"', {
                   'includes': [
                     'libvpx_srcs_x86.gypi',
                   ],
                   'dependencies': [
                     'libvpx_intrinsics_mmx',
                     'libvpx_intrinsics_sse2',
                     'libvpx_intrinsics_sse3',
                     'libvpx_intrinsics_ssse3',
                     'libvpx_intrinsics_sse4_1',
-                    'libvpx_intrinsics_extra',
                   ],
                 }],
                 ['target_arch=="x64"', {
                   'includes': [
                     'libvpx_srcs_x86_64.gypi',
                   ],
                   'dependencies': [
                     'libvpx_intrinsics_mmx',
                     'libvpx_intrinsics_sse2',
                     'libvpx_intrinsics_sse3',
                     'libvpx_intrinsics_ssse3',
                     'libvpx_intrinsics_sse4_1',
-                    'libvpx_intrinsics_extra',
                   ],
                 }],
                 ['clang == 1', {
                   'xcode_settings': {
                     'WARNING_CFLAGS': [
                       # libvpx heavily relies on implicit enum casting.
                       '-Wno-conversion',
                       # libvpx does `if ((a == b))` in some places.
                       '-Wno-parentheses-equality',
                     ],
@@ skipping 656 matching lines @@
             ],
             'libraries': [
               '<!@(pkg-config --libs-only-l vpx)',
             ],
           },
         },
       ],
     }],
   ],
 }