Use C++11 range-based for loop in Source/core/inspector

Source/core/inspector/InspectorState.cpp

Index: Source/core/inspector/InspectorState.cpp
diff --git a/Source/core/inspector/InspectorState.cpp b/Source/core/inspector/InspectorState.cpp
index 0b627b194f2b4b9c42c38fe18b498f16e9b090b2..bcec968eb1be96f77e124678dd7b7848492e136c 100644
--- a/Source/core/inspector/InspectorState.cpp
+++ b/Source/core/inspector/InspectorState.cpp
@@ -146,14 +146,13 @@ void InspectorCompositeState::loadFromCookie(const String& inspectorCompositeSta
     if (!m_stateObject)
         m_stateObject = JSONObject::create();
 
-    InspectorStateMap::iterator end = m_inspectorStateMap.end();
-    for (InspectorStateMap::iterator it = m_inspectorStateMap.begin(); it != end; ++it) {
-        RefPtr<JSONObject> agentStateObject = m_stateObject->getObject(it->key);
+    for (auto& state : m_inspectorStateMap) {
+        RefPtr<JSONObject> agentStateObject = m_stateObject->getObject(state.key);
         if (!agentStateObject) {
             agentStateObject = JSONObject::create();
-            m_stateObject->setObject(it->key, agentStateObject);
+            m_stateObject->setObject(state.key, agentStateObject);
         }
-        it->value->setFromCookie(agentStateObject);
+        state.value->setFromCookie(agentStateObject);
     }
 }