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

Source/core/dom/MutationObserverInterestGroup.cpp

 /*
  * Copyright (C) 2011 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 38 matching lines @@
 
 MutationObserverInterestGroup::MutationObserverInterestGroup(WillBeHeapHashMap<RawPtrWillBeMember<MutationObserver>, MutationRecordDeliveryOptions>& observers, MutationRecordDeliveryOptions oldValueFlag)
     : m_oldValueFlag(oldValueFlag)
 {
     ASSERT(!observers.isEmpty());
     m_observers.swap(observers);
 }
 
 bool MutationObserverInterestGroup::isOldValueRequested()
 {
-    for (WillBeHeapHashMap<RawPtrWillBeMember<MutationObserver>, MutationRecordDeliveryOptions>::iterator iter = m_observers.begin(); iter != m_observers.end(); ++iter) {
-        if (hasOldValue(iter->value))
+    for (auto& observer : m_observers) {
+        if (hasOldValue(observer.value))
             return true;
     }
     return false;
 }
 
 void MutationObserverInterestGroup::enqueueMutationRecord(PassRefPtrWillBeRawPtr<MutationRecord> prpMutation)
 {
     RefPtrWillBeRawPtr<MutationRecord> mutation = prpMutation;
     RefPtrWillBeRawPtr<MutationRecord> mutationWithNullOldValue = nullptr;
-    for (WillBeHeapHashMap<RawPtrWillBeMember<MutationObserver>, MutationRecordDeliveryOptions>::iterator iter = m_observers.begin(); iter != m_observers.end(); ++iter) {
-        MutationObserver* observer = iter->key;
-        if (hasOldValue(iter->value)) {
+    for (auto& iter : m_observers) {
+        MutationObserver* observer = iter.key;
+        if (hasOldValue(iter.value)) {
             observer->enqueueMutationRecord(mutation);
             continue;
         }
         if (!mutationWithNullOldValue) {
             if (mutation->oldValue().isNull())
                 mutationWithNullOldValue = mutation;
             else
                 mutationWithNullOldValue = MutationRecord::createWithNullOldValue(mutation).get();
         }
         observer->enqueueMutationRecord(mutationWithNullOldValue);
     }
 }
 
 void MutationObserverInterestGroup::trace(Visitor* visitor)
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_observers);
 #endif
 }
 
 } // namespace blink