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

Source/platform/fonts/mac/SimpleFontDataMac.mm

 /*
  * Copyright (C) 2005, 2006, 2010, 2011 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 401 matching lines @@
 
 bool SimpleFontData::canRenderCombiningCharacterSequence(const UChar* characters, size_t length) const
 {
     ASSERT(isMainThread());
 
     if (!m_combiningCharacterSequenceSupport)
         m_combiningCharacterSequenceSupport = adoptPtr(new HashMap<String, bool>);
 
     WTF::HashMap<String, bool>::AddResult addResult = m_combiningCharacterSequenceSupport->add(String(characters, length), false);
     if (!addResult.isNewEntry)
-        return addResult.iterator->value;
+        return addResult.storedValue->value;
 
     RetainPtr<CGFontRef> cgFont(AdoptCF, CTFontCopyGraphicsFont(platformData().ctFont(), 0));
 
     ProviderInfo info = { characters, length, getCFStringAttributes(0, platformData().orientation()) };
     RetainPtr<CTLineRef> line(AdoptCF, CTLineCreateWithUniCharProvider(&provideStringAndAttributes, 0, &info));
 
     CFArrayRef runArray = CTLineGetGlyphRuns(line.get());
     CFIndex runCount = CFArrayGetCount(runArray);
 
     for (CFIndex r = 0; r < runCount; r++) {
         CTRunRef ctRun = static_cast<CTRunRef>(CFArrayGetValueAtIndex(runArray, r));
         ASSERT(CFGetTypeID(ctRun) == CTRunGetTypeID());
         CFDictionaryRef runAttributes = CTRunGetAttributes(ctRun);
         CTFontRef runFont = static_cast<CTFontRef>(CFDictionaryGetValue(runAttributes, kCTFontAttributeName));
         RetainPtr<CGFontRef> runCGFont(AdoptCF, CTFontCopyGraphicsFont(runFont, 0));
         if (!CFEqual(runCGFont.get(), cgFont.get()))
             return false;
     }
 
-    addResult.iterator->value = true;
+    addResult.storedValue->value = true;
     return true;
 }
 
 } // namespace WebCore