Merge 88174 - 2011-06-06 Shishir Agrawal <shishir@chromium.org>

Source/WebCore/page/PageVisibilityState.cpp

 /*
  * 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 21 matching lines @@
 #include "PageVisibilityState.h"
 
 #if ENABLE(PAGE_VISIBILITY_API)
 
 namespace WebCore {
 
 String pageVisibilityStateString(PageVisibilityState state)
 {
     DEFINE_STATIC_LOCAL(const String, visible, ("visible"));
     DEFINE_STATIC_LOCAL(const String, hidden, ("hidden"));
+    DEFINE_STATIC_LOCAL(const String, prerender, ("prerender"));
 
     switch (state) {
     case PageVisibilityStateVisible:
         return visible;
     case PageVisibilityStateHidden:
         return hidden;
+    case PageVisibilityStatePrerender:
+        return prerender;
     }
 
     ASSERT_NOT_REACHED();
     return String();
 }
 
 } // namespace WebCore
 
 #endif // if ENABLE(PAGE_VISIBILITY_API)