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

Source/core/events/EventPath.cpp

 /*
  * Copyright (C) 2013 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.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 186 matching lines @@
         }
         treeScopeEventContext->adoptEventPath(nodes);
     }
 }
 
 TreeScopeEventContext* EventPath::ensureTreeScopeEventContext(Node* currentTarget, TreeScope* treeScope, TreeScopeEventContextMap& treeScopeEventContextMap)
 {
     if (!treeScope)
         return 0;
     TreeScopeEventContextMap::AddResult addResult = treeScopeEventContextMap.add(treeScope, TreeScopeEventContext::create(*treeScope));
-    TreeScopeEventContext* treeScopeEventContext = addResult.iterator->value.get();
+    TreeScopeEventContext* treeScopeEventContext = addResult.storedValue->value.get();
     if (addResult.isNewEntry) {
         TreeScopeEventContext* parentTreeScopeEventContext = ensureTreeScopeEventContext(0, treeScope->olderShadowRootOrParentTreeScope(), treeScopeEventContextMap);
         if (parentTreeScopeEventContext && parentTreeScopeEventContext->target()) {
             treeScopeEventContext->setTarget(parentTreeScopeEventContext->target());
         } else if (currentTarget) {
             treeScopeEventContext->setTarget(eventTargetRespectingTargetRules(currentTarget));
         }
     } else if (!treeScopeEventContext->target() && currentTarget) {
         treeScopeEventContext->setTarget(eventTargetRespectingTargetRules(currentTarget));
     }
     return treeScopeEventContext;
 }
 
 void EventPath::calculateAdjustedTargets()
 {
     const TreeScope* lastTreeScope = 0;
     bool isSVGElement = at(0).node()->isSVGElement();
 
     TreeScopeEventContextMap treeScopeEventContextMap;
     TreeScopeEventContext* lastTreeScopeEventContext = 0;
 
     for (size_t i = 0; i < size(); ++i) {
         Node* currentNode = at(i).node();
         TreeScope& currentTreeScope = currentNode->treeScope();
         if (lastTreeScope != &currentTreeScope) {
             if (!isSVGElement) {
                 lastTreeScopeEventContext = ensureTreeScopeEventContext(currentNode, &currentTreeScope, treeScopeEventContextMap);
             } else {
                 TreeScopeEventContextMap::AddResult addResult = treeScopeEventContextMap.add(&currentTreeScope, TreeScopeEventContext::create(currentTreeScope));
-                lastTreeScopeEventContext = addResult.iterator->value.get();
+                lastTreeScopeEventContext = addResult.storedValue->value.get();
                 if (addResult.isNewEntry) {
                     // Don't adjust an event target for SVG.
                     lastTreeScopeEventContext->setTarget(eventTargetRespectingTargetRules(at(0).node()));
                 }
             }
         }
         ASSERT(lastTreeScopeEventContext);
         at(i).setTreeScopeEventContext(lastTreeScopeEventContext);
         lastTreeScope = &currentTreeScope;
     }
@@ skipping 120 matching lines @@
 
 #ifndef NDEBUG
 void EventPath::checkReachability(TreeScope& treeScope, TouchList& touchList)
 {
     for (size_t i = 0; i < touchList.length(); ++i)
         ASSERT(touchList.item(i)->target()->toNode()->treeScope().isInclusiveOlderSiblingShadowRootOrAncestorTreeScopeOf(treeScope));
 }
 #endif
 
 } // namespace