aura: Stop converting Rect to RectF implicitly.

ui/gfx/geometry/dip_util.cc

 // 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/gfx/geometry/dip_util.h"
 
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/point_conversions.h"
 #include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/rect.h"
@@ skipping 13 matching lines @@
                               const gfx::PointF& point_in_pixel) {
   return gfx::ScalePoint(point_in_pixel, 1.0f / scale_factor);
 }
 
 gfx::Size ConvertSizeToDIP(float scale_factor, const gfx::Size& size_in_pixel) {
   return gfx::ToFlooredSize(gfx::ScaleSize(size_in_pixel, 1.0f / scale_factor));
 }
 
 gfx::Rect ConvertRectToDIP(float scale_factor, const gfx::Rect& rect_in_pixel) {
   return gfx::ToFlooredRectDeprecated(
-      gfx::ScaleRect(rect_in_pixel, 1.0f / scale_factor));
+      gfx::ScaleRect(gfx::RectF(rect_in_pixel), 1.0f / scale_factor));
 }
 
 gfx::Point ConvertPointToPixel(float scale_factor,
                                const gfx::Point& point_in_dip) {
   return gfx::ToFlooredPoint(gfx::ScalePoint(point_in_dip, scale_factor));
 }
 
 gfx::Size ConvertSizeToPixel(float scale_factor, const gfx::Size& size_in_dip) {
   return gfx::ToFlooredSize(gfx::ScaleSize(size_in_dip, scale_factor));
 }
 
 gfx::Rect ConvertRectToPixel(float scale_factor, const gfx::Rect& rect_in_dip) {
   // Use ToEnclosingRect() to ensure we paint all the possible pixels
   // touched. ToEnclosingRect() floors the origin, and ceils the max
   // coordinate. To do otherwise (such as flooring the size) potentially
   // results in rounding down and not drawing all the pixels that are
   // touched.
   return gfx::ToEnclosingRect(
       gfx::RectF(gfx::ScalePoint(rect_in_dip.origin(), scale_factor),
                  gfx::ScaleSize(rect_in_dip.size(), scale_factor)));
 }
 
 }  // namespace gfx