Use the extension icon for extension omnibox results instead of the generic

chrome/browser/autocomplete/autocomplete_popup_view_mac.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_POPUP_VIEW_MAC_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_POPUP_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include <string>
+#include <map>
 
 #include "base/basictypes.h"
 #include "base/scoped_ptr.h"
 #include "base/scoped_nsobject.h"
 #include "chrome/browser/autocomplete/autocomplete.h"
 #include "chrome/browser/autocomplete/autocomplete_popup_view.h"
 #include "gfx/font.h"
 #include "webkit/glue/window_open_disposition.h"
 
 class AutocompletePopupModel;
 class AutocompleteEditModel;
 class AutocompleteEditViewMac;
+@class NSImage;
 class Profile;
+class SkBitmap;
 
 // Implements AutocompletePopupView using a raw NSWindow containing an
 // NSTableView.
 //
 // TODO(rohitrao): This class is set up in a way that makes testing hard.
 // Refactor and write unittests.  http://crbug.com/9977
 
 class AutocompletePopupViewMac : public AutocompletePopupView {
  public:
   AutocompletePopupViewMac(AutocompleteEditViewMac* edit_view,
@@ skipping 73 matching lines @@
   void CreatePopupIfNeeded();
 
   // Calculate the appropriate position for the popup based on the
   // field's screen position and the given target for the matrix
   // height, and makes the popup visible.  Animates to the new frame
   // if the popup shrinks, snaps to the new frame if the popup grows,
   // allows existing animations to continue if the size doesn't
   // change.
   void PositionPopup(const CGFloat matrixHeight);
 
+  // Returns the NSImage that should be used as an icon for the given match.
+  NSImage* ImageForMatch(const AutocompleteMatch& match);
+
   scoped_ptr<AutocompletePopupModel> model_;
   AutocompleteEditViewMac* edit_view_;
   NSTextField* field_;  // owned by tab controller
 
   // Child window containing a matrix which implements the popup.
   scoped_nsobject<NSWindow> popup_;
   NSRect targetPopupFrame_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompletePopupViewMac);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_POPUP_VIEW_MAC_H_