Deduplicate CopyBytes in modules/crypto

third_party/WebKit/Source/modules/crypto/NormalizeAlgorithm.cpp

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 21 matching lines @@
 
 #include <algorithm>
 #include <memory>
 #include "bindings/core/v8/ArrayBufferOrArrayBufferView.h"
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/V8ArrayBuffer.h"
 #include "bindings/core/v8/V8ArrayBufferView.h"
 #include "bindings/modules/v8/V8CryptoKey.h"
 #include "core/dom/DOMArrayPiece.h"
 #include "core/dom/DOMTypedArray.h"
+#include "modules/crypto/CryptoUtilities.h"
 #include "platform/wtf/MathExtras.h"
 #include "platform/wtf/PtrUtil.h"
 #include "platform/wtf/Vector.h"
 #include "platform/wtf/text/StringBuilder.h"
 #include "public/platform/WebCryptoAlgorithmParams.h"
 #include "public/platform/WebString.h"
 
 namespace blink {
 
 namespace {
 
-typedef ArrayBufferOrArrayBufferView BufferSource;
-
 struct AlgorithmNameMapping {
   // Must be an upper case ASCII string.
   const char* const algorithm_name;
   // Must be strlen(algorithmName).
   unsigned char algorithm_name_length;
   WebCryptoAlgorithmId algorithm_id;
 
 #if DCHECK_IS_ON()
   bool operator<(const AlgorithmNameMapping&) const;
 #endif
@@ skipping 192 matching lines @@
     stack.Add(message2);
     return stack.ToString();
   }
 
  private:
   // This inline size is large enough to avoid having to grow the Vector in
   // the majority of cases (up to 1 nested algorithm identifier).
   Vector<const char*, 10> messages_;
 };
 
-static WebVector<uint8_t> CopyBytes(const DOMArrayPiece& source) {
-  return WebVector<uint8_t>(static_cast<const uint8_t*>(source.Data()),
-                            source.ByteLength());
-}
-
 // Defined by the WebCrypto spec as:
 //
 //     typedef (ArrayBuffer or ArrayBufferView) BufferSource;
 //
 bool GetOptionalBufferSource(const Dictionary& raw,
                              const char* property_name,
                              bool& has_property,
                              WebVector<uint8_t>& bytes,
                              const ErrorContext& context,
                              AlgorithmError* error) {
@@ skipping 813 matching lines @@
 }  // namespace
 
 bool NormalizeAlgorithm(const AlgorithmIdentifier& raw,
                         WebCryptoOperation op,
                         WebCryptoAlgorithm& algorithm,
                         AlgorithmError* error) {
   return ParseAlgorithmIdentifier(raw, op, algorithm, ErrorContext(), error);
 }
 
 }  // namespace blink