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 7911ae9b4d763fd5f7b5cf71369c586c5fc823fc..6f4322b615e2a79d7210bffdcab3de29344fc5c1 100644
--- a/build/linux/system.gyp
+++ b/build/linux/system.gyp
@@ -1004,5 +1004,47 @@
         }],
       ],
     },
+    {
+      'target_name': 'libevdev-cros',
+      'type': 'none',
+      'conditions': [
+        ['use_evdev_gestures == 1', {
+          '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',
+      'conditions': [
+        ['use_evdev_gestures == 1', {
+          '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)',
+            ],
+          },
+        }],
+      ],
+    },
   ],
 }