Expose WebCrypto's algorithm normalization.

Source/web/WebCryptoNormalize.cpp

Index: Source/web/WebCryptoNormalize.cpp
diff --git a/Source/web/WebSelector.cpp b/Source/web/WebCryptoNormalize.cpp
similarity index 64%
copy from Source/web/WebSelector.cpp
copy to Source/web/WebCryptoNormalize.cpp
index 939cb8a7b12e7a14376a7637c1bdcd1753eac7f5..f05f30e318752cf6c75505d2a8927331f5e46fab 100644
--- a/Source/web/WebSelector.cpp
+++ b/Source/web/WebCryptoNormalize.cpp
@@ -29,29 +29,34 @@
  */
 
 #include "config.h"
-#include "public/web/WebSelector.h"
+#include "public/web/WebCryptoNormalize.h"
 
-#include "core/css/CSSSelectorList.h"
-#include "core/css/parser/BisonCSSParser.h"
+#include "bindings/v8/Dictionary.h"
+#include "modules/crypto/CryptoResultImpl.h"
+#include "modules/crypto/NormalizeAlgorithm.h"
+#include "platform/CryptoResult.h"
 #include "public/platform/WebString.h"
+#include <v8.h>
 
 using namespace WebCore;
 
 namespace blink {
 
-WebString canonicalizeSelector(WebString webSelector, WebSelectorType restriction)
+
+WebCryptoAlgorithm normalizeCryptoAlgorithm(v8::Handle<v8::Object> algorithmObject, WebCryptoOperation operation, int* exceptionCode, WebString* errorDetails, v8::Isolate* isolate)
 {
-    BisonCSSParser parser(strictCSSParserContext());
-    CSSSelectorList selectorList;
-    parser.parseSelector(webSelector, selectorList);
-
-    if (restriction == WebSelectorTypeCompound) {
-        for (const CSSSelector* selector = selectorList.first(); selector; selector = selectorList.next(*selector)) {
-            if (!selector->isCompound())
-                return WebString();
-        }
+    WebCore::Dictionary algorithmDictionary(algorithmObject, isolate);
+    if (!algorithmDictionary.isUndefinedOrNull() && !algorithmDictionary.isObject())
+        return WebCryptoAlgorithm();
+    WebCryptoAlgorithm algorithm;
+    WebCore::AlgorithmError error;
+    if (!normalizeAlgorithm(algorithmDictionary, operation, algorithm, &error)) {
+        *exceptionCode = WebCore::webCryptoErrorToExceptionCode(error.errorType);
+        *errorDetails = error.errorDetails;
+        return WebCryptoAlgorithm();
     }
-    return selectorList.selectorsText();
+
+    return algorithm;
 }
 
 } // namespace blink