Remove unnecessary #includes in Source/platform/Crypto.[cpp|h].

Source/platform/Crypto.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "platform/Crypto.h"
 
 #include "public/platform/Platform.h"
 #include "public/platform/WebArrayBuffer.h"
 #include "public/platform/WebCrypto.h"
 #include "public/platform/WebCryptoAlgorithm.h"
-#include "wtf/Vector.h"
-#include "wtf/text/CString.h"
 
 namespace WebCore {
 
 static blink::WebCryptoAlgorithmId toWebCryptoAlgorithmId(HashAlgorithm algorithm)
 {
     switch (algorithm) {
     case HashAlgorithmSha1:
         return blink::WebCryptoAlgorithmIdSha1;
     case HashAlgorithmSha256:
         return blink::WebCryptoAlgorithmIdSha256;
@@ skipping 36 matching lines @@
 
     if (!digestor->finish(result, resultSize))
         return;
 
     ASSERT(result);
 
     digestResult.append(static_cast<uint8_t*>(result), resultSize);
 }
 
 } // namespace WebCore