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

ui/base/win/events_win.cc

Index: ui/base/win/events_win.cc
diff --git a/ui/base/win/events_win.cc b/ui/base/win/events_win.cc
index 9f75b6f18ee02565adb6136f373924c534dcab05..ce1700aae7c65d76a59130222c912e1eb4e7d5ac 100644
--- a/ui/base/win/events_win.cc
+++ b/ui/base/win/events_win.cc
@@ -211,6 +211,24 @@ gfx::Point EventLocationFromNative(const base::NativeEvent& native_event) {
   return gfx::Point(native_point);
 }
 
+gfx::Point EventRootLocationFromNative(const base::NativeEvent& native_event) {
+  // Note: Wheel events are considered client, but their position is in screen
+  //       coordinates.
+  // Client message. The position is contained in the LPARAM.
+  if (IsClientMouseEvent(native_event) && !IsMouseWheelEvent(native_event))
+    return gfx::Point(native_event.lParam);
+  DCHECK(IsNonClientMouseEvent(native_event) ||
+         IsMouseWheelEvent(native_event));
+  // Non-client message. The position is contained in a POINTS structure in
+  // LPARAM, and is in screen coordinates so we have to convert to client.
+  POINT native_point = { GET_X_LPARAM(native_event.lParam),
+                         GET_Y_LPARAM(native_event.lParam) };
+
+  // TODO(erg): The windows folks say the above is done in screen
+  // coordinates. Is that equivalent to root coordinates on windows?
+  return gfx::Point(native_point);
+}
+
 KeyboardCode KeyboardCodeFromNative(const base::NativeEvent& native_event) {
   return KeyboardCodeForWindowsKeyCode(native_event.wParam);
 }