Remove dependency on ui::ScaleFactor from ui/gfx

chrome/browser/ui/webui/fileicon_source.cc

Index: chrome/browser/ui/webui/fileicon_source.cc
diff --git a/chrome/browser/ui/webui/fileicon_source.cc b/chrome/browser/ui/webui/fileicon_source.cc
index ee0cb1168a5ea3aa31a0d62df4ab57d042b3df5c..1705c41874a121d9d00d553bbbe3c7c7f554104f 100644
--- a/chrome/browser/ui/webui/fileicon_source.cc
+++ b/chrome/browser/ui/webui/fileicon_source.cc
@@ -103,7 +103,8 @@ void FileIconSource::FetchFileIcon(
   if (icon) {
     scoped_refptr<base::RefCountedBytes> icon_data(new base::RefCountedBytes);
     gfx::PNGCodec::EncodeBGRASkBitmap(
-        icon->ToImageSkia()->GetRepresentation(scale_factor).sk_bitmap(),
+        icon->ToImageSkia()->GetRepresentation(
+            ui::GetImageScale(scale_factor)).sk_bitmap(),
         false, &icon_data->data());
 
     callback.Run(icon_data.get());
@@ -150,8 +151,8 @@ void FileIconSource::OnFileIconDataAvailable(const IconRequestDetails& details,
   if (icon) {
     scoped_refptr<base::RefCountedBytes> icon_data(new base::RefCountedBytes);
     gfx::PNGCodec::EncodeBGRASkBitmap(
-        icon->ToImageSkia()->GetRepresentation(details.scale_factor)
-            .sk_bitmap(),
+        icon->ToImageSkia()->GetRepresentation(
+            ui::GetImageScale(details.scale_factor)).sk_bitmap(),
         false,
         &icon_data->data());