Get rid of WTF::SHA1.

Source/core/frame/csp/CSPSourceList.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 "core/frame/csp/CSPSourceList.h"
 
 #include "core/frame/csp/CSPSource.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "platform/ParsingUtilities.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "wtf/HashSet.h"
-#include "wtf/StringHasher.h"
 #include "wtf/text/Base64.h"
 #include "wtf/text/WTFString.h"
 
-namespace WTF {
-
-struct DigestValueHash {
-    static unsigned hash(const WebCore::DigestValue& v)
-    {
-        return StringHasher::computeHash(v.data(), v.size());
-    }
-    static bool equal(const WebCore::DigestValue& a, const WebCore::DigestValue& b)
-    {
-        return a == b;
-    };
-    static const bool safeToCompareToEmptyOrDeleted = true;
-};
-template <>
-struct DefaultHash<WebCore::DigestValue> {
-    typedef DigestValueHash Hash;
-};
-
-template <>
-struct DefaultHash<WebCore::ContentSecurityPolicyHashAlgorithm> {
-    typedef IntHash<WebCore::ContentSecurityPolicyHashAlgorithm> Hash;
-};
-template <>
-struct HashTraits<WebCore::ContentSecurityPolicyHashAlgorithm> : UnsignedWithZeroKeyHashTraits<WebCore::ContentSecurityPolicyHashAlgorithm> {
-};
-
-} // namespace WTF
-
 namespace WebCore {
 
 static bool isSourceListNone(const UChar* begin, const UChar* end)
 {
     skipWhile<UChar, isASCIISpace>(begin, end);
 
     const UChar* position = begin;
     skipWhile<UChar, isSourceCharacter>(position, end);
     if (!equalIgnoringCase("'none'", begin, position - begin))
         return false;
@@ skipping 449 matching lines @@
 }
 
 void CSPSourceList::addSourceHash(const ContentSecurityPolicyHashAlgorithm& algorithm, const DigestValue& hash)
 {
     m_hashes.add(CSPHashValue(algorithm, hash));
     m_hashAlgorithmsUsed |= algorithm;
 }
 
 
 } // namespace WebCore