Linux: use sandbox binary alongside chrome.

content/content_browser.gypi

 # 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.
 
 {
   'dependencies': [
     'browser/speech/proto/speech_proto.gyp:speech_proto',
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../google_apis/google_apis.gyp:google_apis',
@@ skipping 1299 matching lines @@
         # For XShm* in backing_store_x.cc
         '../build/linux/system.gyp:x11',
         '../dbus/dbus.gyp:dbus',
       ],
     }],
     ['OS=="linux"', {
       'dependencies': [
         '../build/linux/system.gyp:udev',
         '../sandbox/sandbox.gyp:libc_urandom_override',
       ],
-      # Set LINUX_SANDBOX_PATH for Linux, including Chrome OS
-      'conditions': [
-        ['linux_sandbox_path != ""', {
-          'defines': [
-            'LINUX_SANDBOX_PATH="<(linux_sandbox_path)"',
-          ],
-        }],
-      ],
     }],
     ['OS=="linux" and use_aura==1', {
       'dependencies': [
         '../build/linux/system.gyp:dbus',
         '../build/linux/system.gyp:fontconfig',
         '../dbus/dbus.gyp:dbus',
       ],
     }],
     ['use_x11==1', {
       'dependencies': [
@@ skipping 153 matching lines @@
         '../third_party/speex/speex.gyp:libspeex',
       ],
     }],
     ['linux_use_libgps==1', {
       'dependencies': [
         '../build/linux/system.gyp:libgps',
       ],
     }],
   ],
 }