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

Source/platform/fonts/mac/SimpleFontDataCoreText.cpp

 /*
  * Copyright (C) 2005, 2006, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov
  *
  * 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 17 matching lines @@
 #include "platform/fonts/SimpleFontData.h"
 
 #include <ApplicationServices/ApplicationServices.h>
 
 namespace WebCore {
 
 CFDictionaryRef SimpleFontData::getCFStringAttributes(TypesettingFeatures typesettingFeatures, FontOrientation orientation) const
 {
     unsigned key = typesettingFeatures + 1;
     HashMap<unsigned, RetainPtr<CFDictionaryRef> >::AddResult addResult = m_CFStringAttributes.add(key, RetainPtr<CFDictionaryRef>());
-    RetainPtr<CFDictionaryRef>& attributesDictionary = addResult.iterator->value;
+    RetainPtr<CFDictionaryRef>& attributesDictionary = addResult.storedValue->value;
     if (!addResult.isNewEntry)
         return attributesDictionary.get();
 
     attributesDictionary.adoptCF(CFDictionaryCreateMutable(kCFAllocatorDefault, 4, &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
     CFMutableDictionaryRef mutableAttributes = (CFMutableDictionaryRef)attributesDictionary.get();
 
     CFDictionarySetValue(mutableAttributes, kCTFontAttributeName, platformData().ctFont());
 
     if (!(typesettingFeatures & Kerning)) {
         const float zero = 0;
         static CFNumberRef zeroKerningValue = CFNumberCreate(kCFAllocatorDefault, kCFNumberFloatType, &zero);
         CFDictionarySetValue(mutableAttributes, kCTKernAttributeName, zeroKerningValue);
     }
 
     bool allowLigatures = (orientation == Horizontal && platformData().allowsLigatures()) || (typesettingFeatures & Ligatures);
     if (!allowLigatures) {
         const int zero = 0;
         static CFNumberRef essentialLigaturesValue = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &zero);
         CFDictionarySetValue(mutableAttributes, kCTLigatureAttributeName, essentialLigaturesValue);
     }
 
     if (orientation == Vertical)
         CFDictionarySetValue(mutableAttributes, kCTVerticalFormsAttributeName, kCFBooleanTrue);
 
     return attributesDictionary.get();
 }
 
 } // namespace WebCore