Revert 224473 "Remove dependency on ui::ScaleFactor from ui/gfx"

trunk/src/chrome/renderer/pepper/pepper_pdf_host.cc

Index: trunk/src/chrome/renderer/pepper/pepper_pdf_host.cc
===================================================================
--- trunk/src/chrome/renderer/pepper/pepper_pdf_host.cc	(revision 224498)
+++ trunk/src/chrome/renderer/pepper/pepper_pdf_host.cc	(working copy)
@@ -296,15 +296,18 @@
   if (res_id == 0)
     return PP_ERROR_FAILED;
 
+  ui::ScaleFactor scale_factor = ui::GetScaleFactorFromScale(scale);
+
   gfx::ImageSkia* res_image_skia =
       ResourceBundle::GetSharedInstance().GetImageSkiaNamed(res_id);
 
   if (!res_image_skia)
     return PP_ERROR_FAILED;
 
-  gfx::ImageSkiaRep image_skia_rep = res_image_skia->GetRepresentation(scale);
+  gfx::ImageSkiaRep image_skia_rep = res_image_skia->GetRepresentation(
+      scale_factor);
 
-  if (image_skia_rep.is_null() || image_skia_rep.scale() != scale)
+  if (image_skia_rep.is_null() || image_skia_rep.scale_factor() != scale_factor)
     return PP_ERROR_FAILED;
 
   PP_Size pp_size;