ash: Update app list UI to match latest crwm.

ui/gfx/transform_util.cc

+// Copyright (c) 2012 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/gfx/transform_util.h"
+
+#include "ui/gfx/point.h"
+
+namespace ui {
+
+Transform GetScaleTransform(const gfx::Point& anchor, float scale) {
+  ui::Transform transform;
+  transform.ConcatScale(scale, scale);
+  transform.ConcatTranslate(anchor.x() * (1 - scale),
+                            anchor.y() * (1 - scale));
+  return transform;
+}
+
+}  // namespace ui