Improve handling of CORS redirects for some resource loads.

Source/core/loader/DocumentThreadableLoader.cpp

Index: Source/core/loader/DocumentThreadableLoader.cpp
diff --git a/Source/core/loader/DocumentThreadableLoader.cpp b/Source/core/loader/DocumentThreadableLoader.cpp
index 51bac8ab32e19519234bcb5fe2f5cd50bfd9ca2b..e7aeece5fd1d65b2a7a0676156c0f27228843998 100644
--- a/Source/core/loader/DocumentThreadableLoader.cpp
+++ b/Source/core/loader/DocumentThreadableLoader.cpp
@@ -462,19 +462,4 @@ SecurityOrigin* DocumentThreadableLoader::securityOrigin() const
     return m_options.securityOrigin ? m_options.securityOrigin.get() : m_document->securityOrigin();
 }
 
-bool DocumentThreadableLoader::checkCrossOriginAccessRedirectionUrl(const KURL& requestUrl, String& errorDescription)
-{
-    if (!SchemeRegistry::shouldTreatURLSchemeAsCORSEnabled(requestUrl.protocol())) {
-        errorDescription = "The request was redirected to a URL ('" + requestUrl.string() + "') which has a disallowed scheme for cross-origin requests.";
-        return false;
-    }
-
-    if (!(requestUrl.user().isEmpty() && requestUrl.pass().isEmpty())) {
-        errorDescription = "The request was redirected to a URL ('" + requestUrl.string() + "') containing userinfo, which is disallowed for cross-origin requests.";
-        return false;
-    }
-
-    return true;
-}
-
 } // namespace WebCore