Revert of Revert of linux/gyp: Find missing symbols at build time, not runtime.

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 741 matching lines @@
         }],
         ['OS=="linux"', {
           'conditions': [
             ['use_x11==1', {
               'dependencies': [
                 '../build/linux/system.gyp:x11',
                 '../build/linux/system.gyp:xdamage',
                 '../build/linux/system.gyp:xext',
                 '../build/linux/system.gyp:xfixes',
                 '../build/linux/system.gyp:xtst',
+                '../ui/gfx/x/gfx_x11.gyp:gfx_x11',
               ],
             }, {  # else: use_x11==0
               'sources!': [
                 'base/user_input_monitor_linux.cc',
               ],
               'defines': [
                 'DISABLE_USER_INPUT_MONITOR',
               ],
             }],
             ['use_cras==1', {
@@ skipping 1147 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'media_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }