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..69ad2ae92db2ddf8f710a4bd5f9883dd7bf7a893 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& listener : listeners) {
+        listener->notifyMediaQueryChanged();
     }
 }