Update from https://crrev.com/312398

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 621 matching lines @@
                      'spd_set_synthesis_voice',
                      'spd_list_modules',
                      'spd_set_output_module',
           ],
           'message': 'Generating libspeechd library loader',
           'process_outputs_as_sources': 1,
         },
       ],
     },
     {
+      'target_name': 'pangocairo',
+      'type': 'none',
+      'toolsets': ['host', 'target'],
+      'conditions': [
+        ['use_pango==1 and use_cairo==1', {
+          'conditions': [
+            ['_toolset=="target"', {
+              'direct_dependent_settings': {
+                'cflags': [
+                  '<!@(<(pkg-config) --cflags pangocairo pangoft2)',
+                ],
+              },
+              'link_settings': {
+                'ldflags': [
+                  '<!@(<(pkg-config) --libs-only-L --libs-only-other pangocairo pangoft2)',
+                ],
+                'libraries': [
+                  '<!@(<(pkg-config) --libs-only-l pangocairo pangoft2)',
+                ],
+              },
+            }, {
+              'direct_dependent_settings': {
+                'cflags': [
+                  '<!@(pkg-config --cflags pangocairo pangoft2)',
+                ],
+              },
+              'link_settings': {
+                'ldflags': [
+                  '<!@(pkg-config --libs-only-L --libs-only-other pangocairo pangoft2)',
+                ],
+                'libraries': [
+                  '<!@(pkg-config --libs-only-l pangocairo pangoft2)',
+                ],
+              },
+            }],
+          ],
+        }],
+      ],
+    },
+    {
       'target_name': 'ssl',
       'type': 'none',
       'conditions': [
         ['_toolset=="target"', {
           'conditions': [
             ['use_openssl==1', {
               'dependencies': [
                 '../../third_party/boringssl/boringssl.gyp:boringssl',
               ],
             }],
@@ skipping 28 matching lines @@
                   '-Wno-header-guard',
                 ],
               },
             }],
           ]
         }],
       ],
     },
   ],
 }