Revert of Reduce ActiveDOMObjects from core/

third_party/WebKit/Source/core/css/MediaQueryList.h

Index: third_party/WebKit/Source/core/css/MediaQueryList.h
diff --git a/third_party/WebKit/Source/core/css/MediaQueryList.h b/third_party/WebKit/Source/core/css/MediaQueryList.h
index 37d23522e2cfc1ac2cacf4111ae7046be8608733..19c9cd764a2231cc94f995d575502a7506fa3a44 100644
--- a/third_party/WebKit/Source/core/css/MediaQueryList.h
+++ b/third_party/WebKit/Source/core/css/MediaQueryList.h
@@ -41,7 +41,7 @@
 // retrieve the current value of the given media query and to add/remove listeners that
 // will be called whenever the value of the query changes.
 
-class CORE_EXPORT MediaQueryList final : public EventTargetWithInlineData, public RefCountedWillBeNoBase<MediaQueryList>, public ContextLifecycleObserver {
+class CORE_EXPORT MediaQueryList final : public EventTargetWithInlineData, public RefCountedWillBeNoBase<MediaQueryList>, public ActiveDOMObject {
     REFCOUNTED_EVENT_TARGET(MediaQueryList);
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MediaQueryList);
@@ -68,8 +68,9 @@
 
     DECLARE_VIRTUAL_TRACE();
 
+    // From ActiveDOMObject
     bool hasPendingActivity() const override;
-    void contextDestroyed() override;
+    void stop() override;
 
     const AtomicString& interfaceName() const override;
     ExecutionContext* executionContext() const override;