Enables HiDPI favicon to be displayed in tab strip on CrOS

ui/gfx/image/image_skia.h

Index: ui/gfx/image/image_skia.h
diff --git a/ui/gfx/image/image_skia.h b/ui/gfx/image/image_skia.h
index fffae7a54d0ca4c748fca8af5f222c5721cb59aa..0812913417e436d68d39afe80a6bb64d0a0132f0 100644
--- a/ui/gfx/image/image_skia.h
+++ b/ui/gfx/image/image_skia.h
@@ -67,6 +67,10 @@ class UI_EXPORT ImageSkia {
 
   ~ImageSkia();
 
+  // Returns true if this object is backed by the same ImageSkiaStorage as
+  // |other|. Will also return true if both images are isNull().
+  bool Equals(const gfx::ImageSkia& other) const;

[Nico, 2012/08/14 20:19:36]

I'd call this RefersToSamePixelsAs() or something. Equals() is usually supposed
to do comparisons based on contents.

[pkotwicz, 2012/08/14 20:22:38]

I agree.  

+
   // Adds |image_rep| to the image reps contained by this object.
   void AddRepresentation(const gfx::ImageSkiaRep& image_rep);