mac: Remove star.pdf in favor of star.png

chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm

Index: chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
diff --git a/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm b/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
index a4c30588224660b74f865805b7a8069be3bb5e37..2239e2aa265f322097bd54fdda204aa9862b35bb 100644
--- a/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
+++ b/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
@@ -135,11 +135,6 @@ NSImage* OmniboxViewMac::ImageForResource(int resource_id) {
   NSString* image_name = nil;
 
   switch(resource_id) {
-    // From the autocomplete popup, or the star icon at the RHS of the
-    // text field.
-    case IDR_STAR: image_name = @"star.pdf"; break;
-    case IDR_STAR_LIT: image_name = @"star_lit.pdf"; break;
-
     // Values from |AutocompleteMatch::TypeToIcon()|.
     case IDR_OMNIBOX_SEARCH:
       image_name = @"omnibox_search.pdf"; break;