aura: Remove WindowTreeHost::QueryMouseLocation().

ui/aura/window_tree_host_win.cc

Index: ui/aura/window_tree_host_win.cc
diff --git a/ui/aura/window_tree_host_win.cc b/ui/aura/window_tree_host_win.cc
index 9bbb44b0f535ae02c2f390fc7774f5b5ed85b1e2..adf56e91ac76e7092f40d754d9278d016efe6a82 100644
--- a/ui/aura/window_tree_host_win.cc
+++ b/ui/aura/window_tree_host_win.cc
@@ -126,24 +126,6 @@ void WindowTreeHostWin::ReleaseCapture() {
   }
 }
 
-bool WindowTreeHostWin::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;
-  }
-
-  POINT pt;
-  GetCursorPos(&pt);
-  ScreenToClient(hwnd(), &pt);
-  const gfx::Size size = GetBounds().size();
-  *location_return =
-      gfx::Point(max(0, min(size.width(), static_cast<int>(pt.x))),
-                 max(0, min(size.height(), static_cast<int>(pt.y))));
-  return (pt.x >= 0 && static_cast<int>(pt.x) < size.width() &&
-          pt.y >= 0 && static_cast<int>(pt.y) < size.height());
-}
-
 void WindowTreeHostWin::SetCursorNative(gfx::NativeCursor native_cursor) {
   // Custom web cursors are handled directly.
   if (native_cursor == ui::kCursorCustom)