Get rid of WTF::SHA1.

Source/platform/CryptoUtilities.h

Index: Source/platform/CryptoUtilities.h
diff --git a/Source/platform/weborigin/SecurityPolicy.h b/Source/platform/CryptoUtilities.h
similarity index 52%
copy from Source/platform/weborigin/SecurityPolicy.h
copy to Source/platform/CryptoUtilities.h
index e47e9b67d1649f148a0b3dbdeb8b80b35f1fb335..73bd0d7bbba58119b6b5f56613750a42dc67b8e7 100644
--- a/Source/platform/weborigin/SecurityPolicy.h
+++ b/Source/platform/CryptoUtilities.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011 Google Inc. All rights reserved.
+ * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,38 +26,59 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef SecurityPolicy_h
-#define SecurityPolicy_h
+#ifndef CryptoUtilities_h
+#define CryptoUtilities_h
 
 #include "platform/PlatformExport.h"
-#include "platform/weborigin/ReferrerPolicy.h"
-#include "wtf/text/WTFString.h"
+#include "wtf/HashSet.h"
+#include "wtf/StringHasher.h"
+#include "wtf/Vector.h"
+#include "wtf/text/CString.h"
 
 namespace WebCore {
+namespace CryptoUtil {

[abarth-chromium, 2014/03/12 18:59:02]

I'd just drop this namespace entirely.  WebCore is one big happy namespace.  :)

[jww, 2014/04/01 23:29:09]

Done.

 
-class KURL;
-class SecurityOrigin;
+static const size_t kMaxDigestSize = 64;
+typedef Vector<uint8_t, kMaxDigestSize> DigestValue;

[eseidel, 2014/03/12 06:51:23]

I see, you're just typdefing to a vector directly, and I suspect that our base64
operations don't take uint_8_t and thus you ahve to reinterpet cast?

[jww, 2014/04/01 23:29:09]

Correct.

 
-class PLATFORM_EXPORT SecurityPolicy {
-public:
-    // True if the referrer should be omitted according to the
-    // ReferrerPolicyDefault. If you intend to send a referrer header, you
-    // should use generateReferrerHeader instead.
-    static bool shouldHideReferrer(const KURL&, const String& referrer);
+const size_t sha1HashSize = 20;
+enum HashAlgorithm {
+    HashAlgorithmSha1,
+    HashAlgorithmSha256,
+    HashAlgorithmSha384,
+    HashAlgorithmSha512
+};
+
+PLATFORM_EXPORT void computeDigest(HashAlgorithm, const char* digestable, size_t length, DigestValue& digestResult);
 
-    // Returns the referrer modified according to the referrer policy for a
-    // navigation to a given URL. If the referrer returned is empty, the
-    // referrer header should be omitted.
-    static String generateReferrerHeader(ReferrerPolicy, const KURL&, const String& referrer);
+} // namespace CryptoUtil
+} // namespace WebCore
 
-    static void addOriginAccessWhitelistEntry(const SecurityOrigin& sourceOrigin, const String& destinationProtocol, const String& destinationDomain, bool allowDestinationSubdomains);
-    static void removeOriginAccessWhitelistEntry(const SecurityOrigin& sourceOrigin, const String& destinationProtocol, const String& destinationDomain, bool allowDestinationSubdomains);
-    static void resetOriginAccessWhitelists();
+namespace WTF {
 
-    static bool isAccessWhiteListed(const SecurityOrigin* activeOrigin, const SecurityOrigin* targetOrigin);
-    static bool isAccessToURLWhiteListed(const SecurityOrigin* activeOrigin, const KURL&);
+struct DigestValueHash {
+    static unsigned hash(const WebCore::CryptoUtil::DigestValue& v)
+    {
+        return StringHasher::computeHash(v.data(), v.size());
+    }
+    static bool equal(const WebCore::CryptoUtil::DigestValue& a, const WebCore::CryptoUtil::DigestValue& b)
+    {
+        return a == b;
+    };
+    static const bool safeToCompareToEmptyOrDeleted = true;
+};
+template <>
+struct DefaultHash<WebCore::CryptoUtil::DigestValue> {
+    typedef DigestValueHash Hash;
 };
 
-} // namespace WebCore
+template <>
+struct DefaultHash<WebCore::CryptoUtil::HashAlgorithm> {
+    typedef IntHash<WebCore::CryptoUtil::HashAlgorithm> Hash;
+};
+template <>
+struct HashTraits<WebCore::CryptoUtil::HashAlgorithm> : UnsignedWithZeroKeyHashTraits<WebCore::CryptoUtil::HashAlgorithm> {
+};
 
-#endif // SecurityPolicy_h
+} // namespace WTF
+#endif // CryptoUtilities_h