This patch implements Chromium's Aura gesture recognizer in terms of utouch-grail and utouch-frame …

chrome/chrome_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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 4310 matching lines @@
           ],
         }],
         ['OS=="linux" and use_aura==1', {
           'dependencies': [
             '../build/linux/system.gyp:dbus',
             '../build/linux/system.gyp:fontconfig',
             '../build/linux/system.gyp:x11',
             '../dbus/dbus.gyp:dbus',
           ],
         }],
+        ['use_aura==1 and use_utouch==1', {
+          'dependencies': [
+            '../third_party/utouch-frame/utouch-frame.gyp:utouch-frame',
+            '../third_party/utouch-grail/utouch-grail.gyp:utouch-grail',
+          ],
+        }],
         ['use_nss==1', {
           'sources': [
             'third_party/mozilla_security_manager/nsNSSCertHelper.cpp',
             'third_party/mozilla_security_manager/nsNSSCertHelper.h',
             'third_party/mozilla_security_manager/nsNSSCertificate.cpp',
             'third_party/mozilla_security_manager/nsNSSCertificate.h',
             'third_party/mozilla_security_manager/nsUsageArrayHelper.cpp',
             'third_party/mozilla_security_manager/nsUsageArrayHelper.h',
           ],
         }],
@@ skipping 977 matching lines @@
          'variables': {
           'proto_in_dir': '../third_party/cros_system_api/dbus/',
           'proto_out_dir': 'chrome/browser/chromeos/dbus',
          },
          'includes': ['../build/protoc.gypi'],
         }],
       ],
     },
   ],
 }