Enable hidpi download UI

chrome/browser/icon_loader.h

Index: chrome/browser/icon_loader.h
diff --git a/chrome/browser/icon_loader.h b/chrome/browser/icon_loader.h
index d7b124b65a48c437996b8cf2f846a62cded1480a..c5f6eb89c208b4bae33c9bd745f51f5c6e352fa7 100644
--- a/chrome/browser/icon_loader.h
+++ b/chrome/browser/icon_loader.h
@@ -27,7 +27,7 @@ typedef std::string IconGroupID;
 ////////////////////////////////////////////////////////////////////////////////
 //
 // A facility to read a file containing an icon asynchronously in the IO
-// thread. Returns the icon in the form of an SkBitmap.
+// thread. Returns the icon in the form of an ImageSkia.
 //
 ////////////////////////////////////////////////////////////////////////////////
 class IconLoader : public base::RefCountedThreadSafe<IconLoader> {
@@ -43,7 +43,7 @@ class IconLoader : public base::RefCountedThreadSafe<IconLoader> {
    public:
     // Invoked when an icon has been read. |source| is the IconLoader. If the
     // icon has been successfully loaded, result is non-null. This method must
-    // return true if it is taking ownership of the returned bitmap.
+    // return true if it is taking ownership of the returned image.
     virtual bool OnImageLoaded(IconLoader* source, gfx::Image* result) = 0;
 
    protected: