Makes ui::GetSupportedScaleFactors available on platforms other than Mac

ui/gfx/image/image_unittest_util.cc

Index: ui/gfx/image/image_unittest_util.cc
diff --git a/ui/gfx/image/image_unittest_util.cc b/ui/gfx/image/image_unittest_util.cc
index a7c01b3fbb8d5e7f0a2f32439e417578dd824a6d..f7486ea23eeb9f84dd1cd9c8492a16b37dae4813 100644
--- a/ui/gfx/image/image_unittest_util.cc
+++ b/ui/gfx/image/image_unittest_util.cc
@@ -22,8 +22,6 @@
 namespace gfx {
 namespace test {
 
-#if defined(OS_MACOSX)
-
 void SetSupportedScaleFactorsTo1xAnd2x() {
   std::vector<ui::ScaleFactor> supported_scale_factors;
   supported_scale_factors.push_back(ui::SCALE_FACTOR_100P);
@@ -31,8 +29,6 @@ void SetSupportedScaleFactorsTo1xAnd2x() {
   ui::test::SetSupportedScaleFactors(supported_scale_factors);
 }
 
-#endif  // OS_MACOSX
-
 const SkBitmap CreateBitmap(int width, int height) {
   SkBitmap bitmap;
   bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height);