It is time.

ui/wm/core/masked_window_targeter.cc

Index: ui/wm/core/masked_window_targeter.cc
diff --git a/ui/wm/core/masked_window_targeter.cc b/ui/wm/core/masked_window_targeter.cc
deleted file mode 100644
index 5cbdb1993b16b91adb5936500658f98b40d4fbd6..0000000000000000000000000000000000000000
--- a/ui/wm/core/masked_window_targeter.cc
+++ /dev/null
@@ -1,43 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ui/wm/core/masked_window_targeter.h"
-
-#include "ui/aura/window.h"
-#include "ui/gfx/path.h"
-
-namespace wm {
-
-MaskedWindowTargeter::MaskedWindowTargeter(aura::Window* masked_window)
-    : masked_window_(masked_window) {
-}
-
-MaskedWindowTargeter::~MaskedWindowTargeter() {}
-
-bool MaskedWindowTargeter::EventLocationInsideBounds(
-    ui::EventTarget* target,
-    const ui::LocatedEvent& event) const {
-  aura::Window* window = static_cast<aura::Window*>(target);
-  if (window == masked_window_) {
-    gfx::Path mask;
-    if (!GetHitTestMask(window, &mask))
-      return WindowTargeter::EventLocationInsideBounds(window, event);
-
-    gfx::Size size = window->bounds().size();
-    SkRegion clip_region;
-    clip_region.setRect(0, 0, size.width(), size.height());
-
-    gfx::Point point = event.location();
-    if (window->parent())
-      aura::Window::ConvertPointToTarget(window->parent(), window, &point);
-
-    SkRegion mask_region;
-    return mask_region.setPath(mask, clip_region) &&
-           mask_region.contains(point.x(), point.y());
-  }
-
-  return WindowTargeter::EventLocationInsideBounds(window, event);
-}
-
-}  // namespace wm