Remove the USE(OS_RANDOMNESS) guard.

Source/core/page/Crypto.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:
  *
  * 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 41 matching lines @@
 
 }
 
 Crypto::Crypto()
 {
     ScriptWrappable::init(this);
 }
 
 void Crypto::getRandomValues(ArrayBufferView* array, ExceptionCode& ec)
 {
-#if USE(OS_RANDOMNESS)
     if (!array || !isIntegerArray(array)) {
         ec = TYPE_MISMATCH_ERR;
         return;
     }
     if (array->byteLength() > 65536) {
         ec = QUOTA_EXCEEDED_ERR;
         return;
     }
     cryptographicallyRandomValues(array->baseAddress(), array->byteLength());
-#else
-    ASSERT_UNUSED(array, array);
-    ec = NOT_SUPPORTED_ERR;
-#endif
 }
 
 }