Add #include <algorithm> to code that is missing it.

Source/platform/weborigin/KnownPorts.cpp

 /*
  * Copyright (C) 2004, 2007, 2008, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Research In Motion Limited. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 14 matching lines @@
  */
 
 #include "config.h"
 #include "platform/weborigin/KnownPorts.h"
 
 #include "platform/weborigin/KURL.h"
 #include "wtf/HashMap.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/Threading.h"
 #include "wtf/text/StringHash.h"
+#include <algorithm>
 
 namespace blink {
 
 bool isDefaultPortForProtocol(unsigned short port, const String& protocol)
 {
     if (protocol.isEmpty())
         return false;
 
     typedef HashMap<String, unsigned, CaseFoldingHash> DefaultPortsMap;
     AtomicallyInitializedStaticReference(DefaultPortsMap, defaultPorts, new DefaultPortsMap());
@@ skipping 104 matching lines @@
         return true;
 
     // Allow any port number in a file URL, since the port number is ignored.
     if (url.protocolIs("file"))
         return true;
 
     return false;
 }
 
 }