Update from https://crrev.com/312398

build/config/linux/BUILD.gn

Index: build/config/linux/BUILD.gn
diff --git a/build/config/linux/BUILD.gn b/build/config/linux/BUILD.gn
index 2b9962ffcbfc6da076777233b5ef75fc703c743a..0453c848d9c5f105d7ac7522030697159c880c50 100644
--- a/build/config/linux/BUILD.gn
+++ b/build/config/linux/BUILD.gn
@@ -52,6 +52,10 @@ pkg_config("glib") {
   ]
 }
 
+pkg_config("pangocairo") {
+  packages = [ "pangocairo" ]
+}
+
 pkg_config("pangoft2") {
   packages = [ "pangoft2" ]
 }
@@ -62,6 +66,16 @@ pkg_config("dbus") {
   packages = [ "dbus-1" ]
 }
 
+if (use_evdev_gestures) {
+  pkg_config("libevdev-cros") {
+    packages = [ "libevdev-cros" ]
+  }
+
+  pkg_config("libgestures") {
+    packages = [ "libgestures" ]
+  }
+}
+
 config("x11") {
   libs = [
     "X11",