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..9d318bf4f2c3e08719bfba532469212138afd2c5 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)
@@ -106,11 +98,12 @@ 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;
+    // URLs with schemes that require an authority, but which don't have one,
+    // will have failed the isValid() test; e.g. valid HTTP URLs must have a
+    // host.
+    ASSERT(
+        !((relevantURL.protocolIsInHTTPFamily() || relevantURL.protocolIs("ftp"))
+            && relevantURL.host().isEmpty()));
 
     // SchemeRegistry needs a lower case protocol because it uses HashMaps
     // that assume the scheme has already been canonicalized.