Add support for multi resolution icons

ui/gfx/image_mac.mm

Index: ui/gfx/image_mac.mm
diff --git a/ui/gfx/image_mac.mm b/ui/gfx/image_mac.mm
index b3dc9776ebf135835754539f38873801a45368c4..0342b075326ac7b20b2b54454a1ecb178c5ca6a6 100644
--- a/ui/gfx/image_mac.mm
+++ b/ui/gfx/image_mac.mm
@@ -10,8 +10,15 @@
 namespace gfx {
 namespace internal {
 
-const SkBitmap* NSImageToSkBitmap(NSImage* image) {
-  return new SkBitmap(::gfx::NSImageToSkBitmap(image, [image size], false));
+bool NSImageToSkBitmaps(NSImage* image, std::vector<const SkBitmap*>& bitmaps) {
+  for (NSImageRep* imageRep in [image representations]) {
+    SkBitmap bitmap(gfx::NSImageRepToSkBitmap(imageRep,

[Robert Sesek, 2011/04/15 20:27:20]

Use a scoped_ptr<> here and .release() if you end up push_back()ing?

[sail, 2011/04/16 01:25:00]

Done.

+                                              [imageRep size], false));
+    if (bitmap.isNull())
+      return false;
+    bitmaps.push_back(new SkBitmap(bitmap));
+  }
+  return true;
 }
 
 }  // namespace internal