Replace DOMWindowProperty in core/ with ContextClient

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

Index: third_party/WebKit/Source/core/css/StyleMedia.h
diff --git a/third_party/WebKit/Source/core/css/StyleMedia.h b/third_party/WebKit/Source/core/css/StyleMedia.h
index 9df973e3076c55296a8a8266f8a6cbd191c7fd37..55d695359db86e2dd7ba27c982e19d0380998e9b 100644
--- a/third_party/WebKit/Source/core/css/StyleMedia.h
+++ b/third_party/WebKit/Source/core/css/StyleMedia.h
@@ -28,7 +28,7 @@
 #define StyleMedia_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
-#include "core/frame/DOMWindowProperty.h"
+#include "core/dom/ContextLifecycleObserver.h"
 #include "platform/heap/Handle.h"
 #include "wtf/text/WTFString.h"
 
@@ -37,7 +37,7 @@ namespace blink {
 class LocalFrame;
 
 class StyleMedia final : public GarbageCollected<StyleMedia>,
-                         public DOMWindowProperty,
+                         public ContextClient,
                          public ScriptWrappable {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(StyleMedia);