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

Source/core/dom/ScriptedAnimationController.cpp

Index: Source/core/dom/ScriptedAnimationController.cpp
diff --git a/Source/core/dom/ScriptedAnimationController.cpp b/Source/core/dom/ScriptedAnimationController.cpp
index a453e295e9de77839d74fad19472ebcc9e465db2..aa60ee2c0e637e94b3dc8112506babf90c836475 100644
--- a/Source/core/dom/ScriptedAnimationController.cpp
+++ b/Source/core/dom/ScriptedAnimationController.cpp
@@ -194,9 +194,8 @@ void ScriptedAnimationController::callMediaQueryListListeners()
     MediaQueryListListeners listeners;
     listeners.swap(m_mediaQueryListListeners);
 
-    for (MediaQueryListListeners::const_iterator it = listeners.begin(), end = listeners.end();
-        it != end; ++it) {
-        (*it)->notifyMediaQueryChanged();
+    for (const auto& it : listeners) {
+        it->notifyMediaQueryChanged();
     }
 }