Remove dependency on ui::ScaleFactor from ui/gfx

content/browser/web_contents/web_contents_view_aura.cc

Index: content/browser/web_contents/web_contents_view_aura.cc
diff --git a/content/browser/web_contents/web_contents_view_aura.cc b/content/browser/web_contents/web_contents_view_aura.cc
index f3822f8b1c6de70ec9d9ae6a25950e13726e30f0..eba64febbca17dae024e6b5b6fa3452cca0cb4b0 100644
--- a/content/browser/web_contents/web_contents_view_aura.cc
+++ b/content/browser/web_contents/web_contents_view_aura.cc
@@ -123,7 +123,8 @@ class OverscrollWindowDelegate : public ImageWindowDelegate {
     if (entry && entry->screenshot().get()) {
       std::vector<gfx::ImagePNGRep> image_reps;
       image_reps.push_back(gfx::ImagePNGRep(entry->screenshot(),
-            ui::GetScaleFactorForNativeView(web_contents_window())));
+          ui::GetImageScale(
+              ui::GetScaleFactorForNativeView(web_contents_window()))));
       image = gfx::Image(image_reps);
     }
     SetImage(image);
@@ -515,7 +516,8 @@ class OverscrollNavigationOverlay :
     if (entry && entry->screenshot().get()) {
       std::vector<gfx::ImagePNGRep> image_reps;
       image_reps.push_back(gfx::ImagePNGRep(entry->screenshot(),
-            ui::GetScaleFactorForNativeView(window_.get())));
+          ui::GetImageScale(
+              ui::GetScaleFactorForNativeView(window_.get()))));
       image = gfx::Image(image_reps);
     }
     layer_delegate_.SetImage(image);