More old files deletion.

build/linux/system.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': {
     'conditions': [
       ['sysroot!=""', {
         'pkg-config': '<(chroot_cmd) ./pkg-config-wrapper "<(sysroot)" "<(target_arch)" "<(system_libdir)"',
       }, {
@@ skipping 409 matching lines @@
             'ldflags': [
               '<!@(<(pkg-config) --libs-only-L --libs-only-other xscrnsaver)',
             ],
             'libraries': [
               '<!@(<(pkg-config) --libs-only-l xscrnsaver)',
             ],
           },
         },
       ],  # targets
     }],
-    ['use_evdev_gestures==1', {
-      'targets': [
-        {
-          'target_name': 'libevdev-cros',
-          'type': 'none',
-          'direct_dependent_settings': {
-            'cflags': [
-              '<!@(<(pkg-config) --cflags libevdev-cros)'
-            ],
-          },
-          'link_settings': {
-            'ldflags': [
-              '<!@(<(pkg-config) --libs-only-L --libs-only-other libevdev-cros)',
-            ],
-            'libraries': [
-              '<!@(<(pkg-config) --libs-only-l libevdev-cros)',
-            ],
-          },
-        },
-        {
-          'target_name': 'libgestures',
-          'type': 'none',
-          'direct_dependent_settings': {
-            'cflags': [
-              '<!@(<(pkg-config) --cflags libgestures)'
-            ],
-          },
-          'link_settings': {
-            'ldflags': [
-              '<!@(<(pkg-config) --libs-only-L --libs-only-other libgestures)',
-            ],
-            'libraries': [
-              '<!@(<(pkg-config) --libs-only-l libgestures)',
-            ],
-          },
-        },
-      ],
-    }],
     ['use_xkbcommon==1', {
       'targets': [
         {
           'target_name': 'xkbcommon',
           'type': 'none',
           'direct_dependent_settings': {
             'cflags': [
               '<!@(<(pkg-config) --cflags xkbcommon)'
             ],
           },
@@ skipping 705 matching lines @@
                   '-Wno-header-guard',
                 ],
               },
             }],
           ]
         }],
       ],
     },
   ],
 }