ozone: evdev: Add libgestures bindings for touchpad & mouse support

build/linux/system.gyp

Index: build/linux/system.gyp
diff --git a/build/linux/system.gyp b/build/linux/system.gyp
index 569ab639f39f33508a6b6195ac2477feac01a08e..dddf86a4eb50270ca93b9ff43f73ce18f16eb8ce 100644
--- a/build/linux/system.gyp
+++ b/build/linux/system.gyp
@@ -360,6 +360,44 @@
         }
       ],  # 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)',
+            ],
+          },
+        },
+      ],
+    }],
   ],  # conditions
   'targets': [
     {