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

Source/core/page/TouchDisambiguation.cpp

 /*
  * Copyright (C) 2012 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 110 matching lines @@
 
     HashMap<Node*, TouchTargetData> touchTargets;
     float bestScore = 0;
     for (ListHashSet<RefPtr<Node> >::const_iterator it = hitResults.begin(); it != hitResults.end(); ++it) {
         for (Node* node = it->get(); node; node = node->parentNode()) {
             if (blackList.contains(node))
                 continue;
             if (node->isDocumentNode() || node->hasTagName(HTMLNames::htmlTag) || node->hasTagName(HTMLNames::bodyTag))
                 break;
             if (node->willRespondToMouseClickEvents()) {
-                TouchTargetData& targetData = touchTargets.add(node, TouchTargetData()).iterator->value;
+                TouchTargetData& targetData = touchTargets.add(node, TouchTargetData()).storedValue->value;
                 targetData.windowBoundingBox = boundingBoxForEventNodes(node);
                 targetData.score = scoreTouchTarget(touchPoint, touchPointPadding, targetData.windowBoundingBox);
                 bestScore = max(bestScore, targetData.score);
                 break;
             }
         }
     }
 
     for (HashMap<Node*, TouchTargetData>::iterator it = touchTargets.begin(); it != touchTargets.end(); ++it) {
         // Currently the scoring function uses the overlap area with the fat point as the score.
         // We ignore the candidates that has less than 1/2 overlap (we consider not really ambiguous enough) than the best candidate to avoid excessive popups.
         if (it->value.score < bestScore * 0.5)
             continue;
         goodTargets.append(it->value.windowBoundingBox);
         highlightNodes.append(it->key);
     }
 }
 
 } // namespace WebCore