1 files changed, 3 insertions, 6 deletions
diff --git a/Source/WebCore/loader/cache/CachedResourceClientWalker.h b/Source/WebCore/loader/cache/CachedResourceClientWalker.h
index de352f037..39ee0234f 100644
--- a/Source/WebCore/loader/cache/CachedResourceClientWalker.h
+++ b/Source/WebCore/loader/cache/CachedResourceClientWalker.h
@@ -22,8 +22,7 @@
     pages from the web. It has a memory cache for these objects.
 */
 
-#ifndef CachedResourceClientWalker_h
-#define CachedResourceClientWalker_h
+#pragma once
 
 #include "CachedResourceClient.h"
 #include <wtf/HashCountedSet.h>
@@ -56,7 +55,7 @@ public:
             }
         }
         
-        return 0;
+        return nullptr;
     }
 private:
     const HashCountedSet<CachedResourceClient*>& m_clientSet;
@@ -64,6 +63,4 @@ private:
     size_t m_index;
 };
 
-}
-
-#endif
+} // namespace WebCore