Simpler return value of HashTable::add/HashMap:add and others

Source/platform/weborigin/SecurityPolicy.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 102 matching lines @@
 void SecurityPolicy::addOriginAccessWhitelistEntry(const SecurityOrigin& sourceOrigin, const String& destinationProtocol, const String& destinationDomain, bool allowDestinationSubdomains)
 {
     ASSERT(isMainThread());
     ASSERT(!sourceOrigin.isUnique());
     if (sourceOrigin.isUnique())
         return;
 
     String sourceString = sourceOrigin.toString();
     OriginAccessMap::AddResult result = originAccessMap().add(sourceString, nullptr);
     if (result.isNewEntry)
-        result.iterator->value = adoptPtr(new OriginAccessWhiteList);
+        result.storedValue->value = adoptPtr(new OriginAccessWhiteList);
 
-    OriginAccessWhiteList* list = result.iterator->value.get();
+    OriginAccessWhiteList* list = result.storedValue->value.get();
     list->append(OriginAccessEntry(destinationProtocol, destinationDomain, allowDestinationSubdomains ? OriginAccessEntry::AllowSubdomains : OriginAccessEntry::DisallowSubdomains, OriginAccessEntry::TreatIPAddressAsIPAddress));
 }
 
 void SecurityPolicy::removeOriginAccessWhitelistEntry(const SecurityOrigin& sourceOrigin, const String& destinationProtocol, const String& destinationDomain, bool allowDestinationSubdomains)
 {
     ASSERT(isMainThread());
     ASSERT(!sourceOrigin.isUnique());
     if (sourceOrigin.isUnique())
         return;
 
@@ skipping 14 matching lines @@
         map.remove(it);
 }
 
 void SecurityPolicy::resetOriginAccessWhitelists()
 {
     ASSERT(isMainThread());
     originAccessMap().clear();
 }
 
 } // namespace WebCore