Created define to switch on/off audio.

remoting/remoting.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': {
     # TODO(dmaclach): can we pick this up some other way? Right now it's
     # duplicated from chrome.gyp
     'chromium_code': 1,
+    'remoting_audio': 0,
     # Use consistent strings across all platforms. Note that the plugin name
     # is brand-dependent and is defined further down.
     # Must match host/plugin/constants.h
     'host_plugin_mime_type': 'application/vnd.chromium.remoting-host',
     'host_plugin_description': 'Allow another user to access your computer securely over the Internet.',
 
     # The version is composed from major & minor versions specific to remoting
     # and build & patch versions inherited from Chrome.
     'version_py_path': '../chrome/tools/build/version.py',
     'version_path': '../remoting/VERSION',
@@ skipping 170 matching lines @@
       '<(DEPTH)/chrome/installer/mac/pkg-dmg',
     ],
   },
 
   'target_defaults': {
     'defines': [
     ],
     'include_dirs': [
       '..',  # Root of Chrome checkout
     ],
+    'conditions': [
+      ['remoting_audio == 1', {
+        'defines': [
+          'ENABLE_REMOTING_AUDIO',
+        ],
+      }],
+    ],
   },
 
   'conditions': [
     ['OS=="linux"', {
       'targets': [
         # Linux breakpad processing
         {
           'target_name': 'remoting_linux_symbols',
           'type': 'none',
           'conditions': [
@@ skipping 1572 matching lines @@
                   '../base/allocator/allocator.gyp:allocator',
                 ],
               },
             ],
           ],
         }],
       ],  # end of 'conditions'
     },  # end of target 'remoting_unittests'
   ],  # end of targets
 }