Allow assertions to be enabled in Blink Release builds.

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 111 matching lines @@
         6000, // X11
         6665, // Alternate IRC [Apple addition]
         6666, // Alternate IRC [Apple addition]
         6667, // Standard IRC [Apple addition]
         6668, // Alternate IRC [Apple addition]
         6669, // Alternate IRC [Apple addition]
         0xFFFF, // Used to block all invalid port numbers
     };
     const unsigned short* const blockedPortListEnd = blockedPortList + WTF_ARRAY_LENGTH(blockedPortList);
 
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
     // The port list must be sorted for binary_search to work.
     static bool checkedPortList = false;
     if (!checkedPortList) {
         for (const unsigned short* p = blockedPortList; p != blockedPortListEnd - 1; ++p)
             ASSERT(*p < *(p + 1));
         checkedPortList = true;
     }
 #endif
 
     // If the port is not in the blocked port list, allow it.
     if (!std::binary_search(blockedPortList, blockedPortListEnd, port))
         return true;
 
     // Allow ports 21 and 22 for FTP URLs, as Mozilla does.
     if ((port == 21 || port == 22) && url.protocolIs("ftp"))
         return true;
 
     // Allow any port number in a file URL, since the port number is ignored.
     if (url.protocolIs("file"))
         return true;
 
     return false;
 }
 
 }