Add support for rect-based event targeting in views

ui/gfx/point_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_POINT_CONVERSIONS_H_
 #define UI_GFX_POINT_CONVERSIONS_H_
 
 #include "ui/gfx/point.h"
 #include "ui/gfx/point_f.h"
+#include "ui/gfx/rect.h"
+#include "ui/gfx/rect_f.h"
 
 namespace gfx {
 
 // Returns a Point with each component from the input PointF floored.
 UI_EXPORT Point ToFlooredPoint(const PointF& point);
 
+// Returns a Rect with each component from the input RectF floored.
+UI_EXPORT Rect ToFlooredRect(const RectF& rect);

[danakj, 2013/09/05 19:10:07]

not lgtm on this. See rect_conversions for the various valid ways to convert a
rect.

[tdanderson, 2013/09/09 22:15:39]

Done.

+
 // Returns a Point with each component from the input PointF ceiled.
 UI_EXPORT Point ToCeiledPoint(const PointF& point);
 
 // Returns a Point with each component from the input PointF rounded.
 UI_EXPORT Point ToRoundedPoint(const PointF& point);
 
 }  // namespace gfx
 
 #endif  // UI_GFX_POINT_CONVERSIONS_H_