Remove implicit flooring Scale() method from Point and Size.

ui/gfx/size_conversions.h

+// 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.
+
+#ifndef UI_GFX_SIZE_CONVERSIONS_H_
+#define UI_GFX_SIZE_CONVERSIONS_H_
+
+#include "ui/gfx/size.h"
+#include "ui/gfx/size_f.h"
+
+namespace gfx {
+
+// Returns a Size with each component from the input SizeF floored.
+UI_EXPORT Size ToFlooredSize(const SizeF& size);
+
+// Returns a Size with each component from the input SizeF ceiled.
+UI_EXPORT Size ToCeiledSize(const SizeF& size);
+
+}  // namespace gfx
+
+#endif  // UI_GFX_RECT_CONVERSIONS_H_