Scale client area, hit test mask and bounds by device_scale_factor.

ui/gfx/geometry/dip_util.cc

Index: ui/gfx/geometry/dip_util.cc
diff --git a/ui/gfx/geometry/dip_util.cc b/ui/gfx/geometry/dip_util.cc
index c1efdf5e414f25e444796d104d1e1ceaf3971a96..20f626c871cb4c880e48ae08d9e244631a838edd 100644
--- a/ui/gfx/geometry/dip_util.cc
+++ b/ui/gfx/geometry/dip_util.cc
@@ -4,6 +4,7 @@
 
 #include "ui/gfx/geometry/dip_util.h"
 
+#include "ui/gfx/geometry/insets.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/point_conversions.h"
 #include "ui/gfx/geometry/point_f.h"
@@ -14,6 +15,11 @@
 
 namespace gfx {
 
+Insets ConvertInsetsToDIP(float scale_factor,
+                          const gfx::Insets& insets_in_pixel) {
+  return insets_in_pixel.Scale(1.0f / scale_factor);
+}
+
 Point ConvertPointToDIP(float scale_factor, const Point& point_in_pixel) {
   return ScaleToFlooredPoint(point_in_pixel, 1.0f / scale_factor);
 }
@@ -31,6 +37,11 @@ Rect ConvertRectToDIP(float scale_factor, const Rect& rect_in_pixel) {
       ScaleRect(RectF(rect_in_pixel), 1.0f / scale_factor));
 }
 
+Insets ConvertInsetsToPixel(float scale_factor,
+                            const gfx::Insets& insets_in_dip) {
+  return insets_in_dip.Scale(scale_factor);
+}
+
 Point ConvertPointToPixel(float scale_factor, const Point& point_in_dip) {
   return ScaleToFlooredPoint(point_in_dip, scale_factor);
 }