[bindings] Make Crypto.getRandomValues use generated binding rather than using custom binding.

Source/modules/crypto/Crypto.h

 /*
  * 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 28 matching lines @@
 class ExceptionState;
 
 class Crypto final : public GarbageCollected<Crypto>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static Crypto* create()
     {
         return new Crypto();
     }
 
-    void getRandomValues(DOMArrayBufferView*, ExceptionState&);
+    DOMArrayBufferView* getRandomValues(DOMArrayBufferView*, ExceptionState&);
 
     SubtleCrypto* subtle();
 
     void trace(Visitor*);
 
 private:
     Crypto() { }
 
     Member<SubtleCrypto> m_subtleCrypto;
 };
 
 } // namespace blink
 
 #endif // Crypto_h