Use C++11 range-based loop for core/clipboard, core/dom and core/testing

Source/core/dom/NodeListsNodeData.cpp

Index: Source/core/dom/NodeListsNodeData.cpp
diff --git a/Source/core/dom/NodeListsNodeData.cpp b/Source/core/dom/NodeListsNodeData.cpp
index 279cd6eec2d812668130046c3801c95a18368a5d..ed9cee06b554a163a3ab1f07cb3110774f15ce16 100644
--- a/Source/core/dom/NodeListsNodeData.cpp
+++ b/Source/core/dom/NodeListsNodeData.cpp
@@ -35,16 +35,14 @@ namespace blink {
 
 void NodeListsNodeData::invalidateCaches(const QualifiedName* attrName)
 {
-    NodeListAtomicNameCacheMap::const_iterator atomicNameCacheEnd = m_atomicNameCaches.end();
-    for (NodeListAtomicNameCacheMap::const_iterator it = m_atomicNameCaches.begin(); it != atomicNameCacheEnd; ++it)
-        it->value->invalidateCacheForAttribute(attrName);
+    for (const auto& cache : m_atomicNameCaches)
+        cache.value->invalidateCacheForAttribute(attrName);
 
     if (attrName)
         return;
 
-    TagCollectionCacheNS::iterator tagCacheEnd = m_tagCollectionCacheNS.end();
-    for (TagCollectionCacheNS::iterator it = m_tagCollectionCacheNS.begin(); it != tagCacheEnd; ++it)
-        it->value->invalidateCache();
+    for (auto& cache : m_tagCollectionCacheNS)
+        cache.value->invalidateCache();
 }
 
 void NodeListsNodeData::trace(Visitor* visitor)