Aura/ash split: Don't use X11 window borders.

ui/base/x/events_x.cc

Index: ui/base/x/events_x.cc
diff --git a/ui/base/x/events_x.cc b/ui/base/x/events_x.cc
index 1a0a1467d4629aee66eb62e1beff18fa887d2e61..8dec811405639bd912aab2b309a2026e00f92663 100644
--- a/ui/base/x/events_x.cc
+++ b/ui/base/x/events_x.cc
@@ -779,6 +779,28 @@ gfx::Point EventLocationFromNative(const base::NativeEvent& native_event) {
   return gfx::Point();
 }
 
+gfx::Point EventRootLocationFromNative(const base::NativeEvent& native_event) {
+  switch (native_event->type) {
+    case ButtonPress:
+    case ButtonRelease:
+      return gfx::Point(native_event->xbutton.x_root,
+                        native_event->xbutton.y_root);
+    case MotionNotify:
+      return gfx::Point(native_event->xmotion.x_root,
+                        native_event->xmotion.y_root);
+    case GenericEvent: {
+      XIDeviceEvent* xievent =
+          static_cast<XIDeviceEvent*>(native_event->xcookie.data);
+
+      // TODO(erg): This is significantly more simple than the above. Does this
+      // not handle an important case?
+      return gfx::Point(xievent->root_x, xievent->root_y);
+    }
+  }
+
+  return gfx::Point();
+}
+
 int EventButtonFromNative(const base::NativeEvent& native_event) {
   CHECK_EQ(GenericEvent, native_event->type);
   XIDeviceEvent* xievent =