Remove compile time flag TOUCH_ICON_LOADING and use runtime flag instead.

Source/core/dom/IconURL.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef IconURL_h
 #define IconURL_h
 
 #include "platform/weborigin/KURL.h"
 
 namespace WebCore {
 
-#if ENABLE(TOUCH_ICON_LOADING)
-#define ICON_COUNT 3
-#else
-#define ICON_COUNT 1
-#endif
-
 enum IconType {
     InvalidIcon = 0,
     Favicon = 1,
     TouchIcon = 1 << 1,
     TouchPrecomposedIcon = 1 << 2,
 };
 
 struct IconURL {
     IconType m_iconType;
     String m_sizes;
@@ skipping 14 matching lines @@
         , m_iconURL(url)
         , m_isDefaultIcon(false)
     {
     }
 
     static IconURL defaultFavicon(const KURL&);
 };
 
 bool operator==(const IconURL&, const IconURL&);
 
-typedef Vector<IconURL, ICON_COUNT> IconURLs;
-
 }
 
 #endif // IconURL_h