ui: Make gfx::Point::Scale() mutate the class, similar to gfx::Rect.

ui/compositor/dip_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/compositor/dip_util.h"
 
 #include "base/command_line.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/compositor/compositor.h"
 #include "ui/compositor/compositor_switches.h"
 #include "ui/compositor/layer.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/point_conversions.h"
 #include "ui/gfx/rect.h"
+#include "ui/gfx/rect_conversions.h"
 #include "ui/gfx/size.h"
 #include "ui/gfx/size_conversions.h"
 
 namespace ui {
 
 float GetDeviceScaleFactor(const Layer* layer) {
   return layer->device_scale_factor();
 }
 
 gfx::Point ConvertPointToDIP(const Layer* layer,
                              const gfx::Point& point_in_pixel) {
   return gfx::ToFlooredPoint(
-      point_in_pixel.Scale(1.0f / GetDeviceScaleFactor(layer)));
+      gfx::ScalePoint(point_in_pixel, 1.0f / GetDeviceScaleFactor(layer)));
 }
 
 gfx::Size ConvertSizeToDIP(const Layer* layer,
                            const gfx::Size& size_in_pixel) {
   return gfx::ToFlooredSize(
       size_in_pixel.Scale(1.0f / GetDeviceScaleFactor(layer)));
 }
 
 gfx::Rect ConvertRectToDIP(const Layer* layer,
                            const gfx::Rect& rect_in_pixel) {
   float scale = 1.0f / GetDeviceScaleFactor(layer);
-  return gfx::Rect(gfx::ToFlooredPoint(rect_in_pixel.origin().Scale(scale)),
-                   gfx::ToFlooredSize(rect_in_pixel.size().Scale(scale)));
+  return gfx::ToFlooredRectDeprecated(gfx::ScaleRect(rect_in_pixel, scale));
 }
 
 gfx::Point ConvertPointToPixel(const Layer* layer,
                                const gfx::Point& point_in_dip) {
   return gfx::ToFlooredPoint(
-      point_in_dip.Scale(GetDeviceScaleFactor(layer)));
+      gfx::ScalePoint(point_in_dip, GetDeviceScaleFactor(layer)));
 }
 
 gfx::Size ConvertSizeToPixel(const Layer* layer,
                              const gfx::Size& size_in_dip) {
   return gfx::ToFlooredSize(size_in_dip.Scale(GetDeviceScaleFactor(layer)));
 }
 
 gfx::Rect ConvertRectToPixel(const Layer* layer,
                              const gfx::Rect& rect_in_dip) {
   float scale = GetDeviceScaleFactor(layer);
-  return gfx::Rect(gfx::ToFlooredPoint(rect_in_dip.origin().Scale(scale)),
-                   gfx::ToFlooredSize(rect_in_dip.size().Scale(scale)));
+  return gfx::ToFlooredRectDeprecated(gfx::ScaleRect(rect_in_dip, scale));
 }
 }  // namespace ui