Remove some code, an obsolete criteria, from SecurityOrigin test for uniqueness.

Source/platform/weborigin/SecurityOrigin.cpp

Index: Source/platform/weborigin/SecurityOrigin.cpp
diff --git a/Source/platform/weborigin/SecurityOrigin.cpp b/Source/platform/weborigin/SecurityOrigin.cpp
index 5404ee5b95b9f9c665feeef3e0c11f9bb9e494a1..89dd6687a57740a8ed37de6cb30408b3f3bb029c 100644
--- a/Source/platform/weborigin/SecurityOrigin.cpp
+++ b/Source/platform/weborigin/SecurityOrigin.cpp
@@ -49,14 +49,6 @@ const int MaxAllowedPort = 65535;
 
 static SecurityOriginCache* s_originCache = 0;
 
-static bool schemeRequiresAuthority(const KURL& url)
-{
-    // We expect URLs with these schemes to have authority components. If the
-    // URL lacks an authority component, we get concerned and mark the origin
-    // as unique.
-    return url.protocolIsInHTTPFamily() || url.protocolIs("ftp");
-}
-
 static SecurityOrigin* cachedOrigin(const KURL& url)
 {
     if (s_originCache)
@@ -106,12 +98,6 @@ static bool shouldTreatAsUniqueOrigin(const KURL& url)
         relevantURL = url;
     }
 
-    // For edge case URLs that were probably misparsed, make sure that the origin is unique.
-    // FIXME: Do we really need to do this? This looks to be a hack around a
-    // security bug in CFNetwork that might have been fixed.
-    if (schemeRequiresAuthority(relevantURL) && relevantURL.host().isEmpty())
-        return true;
-
     // SchemeRegistry needs a lower case protocol because it uses HashMaps
     // that assume the scheme has already been canonicalized.
     String protocol = relevantURL.protocol().lower();