Do not convert from RectF to Rect by flooring.

ui/gfx/rect_f.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/rect_f.h"
 
 #include "base/logging.h"
 #include "base/stringprintf.h"
 #include "ui/gfx/insets_f.h"
 #include "ui/gfx/rect_base_impl.h"
+#include "ui/gfx/safe_floor_ceil.h"

[sky, 2012/09/27 20:33:55]

Is this needed?

 
 namespace gfx {
 
 template class RectBase<RectF, PointF, SizeF, InsetsF, float>;
 
 typedef class RectBase<RectF, PointF, SizeF, InsetsF, float> RectBaseT;
 
 RectF::RectF() : RectBaseT(gfx::SizeF()) {
 }
 
 RectF::RectF(float width, float height)
     : RectBaseT(gfx::SizeF(width, height)) {
 }
 
 RectF::RectF(float x, float y, float width, float height)
     : RectBaseT(gfx::PointF(x, y), gfx::SizeF(width, height)) {
 }
 
 RectF::RectF(const gfx::SizeF& size)
     : RectBaseT(size) {
 }
 
 RectF::RectF(const gfx::PointF& origin, const gfx::SizeF& size)
     : RectBaseT(origin, size) {
 }
 
 RectF::~RectF() {}
 
-Rect RectF::ToRect() const {
-  return Rect(origin().ToPoint(), size().ToSize());
-}
-
 std::string RectF::ToString() const {
   return base::StringPrintf("%s %s",
                             origin().ToString().c_str(),
                             size().ToString().c_str());
 }
 
 }  // namespace gfx