aura: Remove WindowTreeHost::QueryMouseLocation().

ui/aura/window_tree_host_x11.cc

Index: ui/aura/window_tree_host_x11.cc
diff --git a/ui/aura/window_tree_host_x11.cc b/ui/aura/window_tree_host_x11.cc
index bd897d9c76448c88b7388c830f922d0d55f260f6..5fec30cff62fda35b1975630facf2dfe77f50c88 100644
--- a/ui/aura/window_tree_host_x11.cc
+++ b/ui/aura/window_tree_host_x11.cc
@@ -438,30 +438,6 @@ void WindowTreeHostX11::ReleaseCapture() {
   // TODO(oshima): Release x input.
 }
 
-bool WindowTreeHostX11::QueryMouseLocation(gfx::Point* location_return) {
-  client::CursorClient* cursor_client =
-      client::GetCursorClient(window());
-  if (cursor_client && !cursor_client->IsMouseEventsEnabled()) {
-    *location_return = gfx::Point(0, 0);
-    return false;
-  }
-
-  ::Window root_return, child_return;
-  int root_x_return, root_y_return, win_x_return, win_y_return;
-  unsigned int mask_return;
-  XQueryPointer(xdisplay_,
-                xwindow_,
-                &root_return,
-                &child_return,
-                &root_x_return, &root_y_return,
-                &win_x_return, &win_y_return,
-                &mask_return);
-  *location_return = gfx::Point(max(0, min(bounds_.width(), win_x_return)),
-                                max(0, min(bounds_.height(), win_y_return)));
-  return (win_x_return >= 0 && win_x_return < bounds_.width() &&
-          win_y_return >= 0 && win_y_return < bounds_.height());
-}
-
 void WindowTreeHostX11::PostNativeEvent(
     const base::NativeEvent& native_event) {
   DCHECK(xwindow_);