Replace DOMWindowProperty in modules/plugins/ with ContextClient

third_party/WebKit/Source/modules/plugins/DOMMimeType.h

Index: third_party/WebKit/Source/modules/plugins/DOMMimeType.h
diff --git a/third_party/WebKit/Source/modules/plugins/DOMMimeType.h b/third_party/WebKit/Source/modules/plugins/DOMMimeType.h
index 6cb97ed3563dca3595a28c8d3af8b1fbf3339abe..123920816f3659a224a4e28a27fa3fe9773ac240 100644
--- a/third_party/WebKit/Source/modules/plugins/DOMMimeType.h
+++ b/third_party/WebKit/Source/modules/plugins/DOMMimeType.h
@@ -21,7 +21,7 @@
 #define DOMMimeType_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
-#include "core/frame/DOMWindowProperty.h"
+#include "core/dom/ContextLifecycleObserver.h"
 #include "platform/heap/Handle.h"
 #include "platform/plugins/PluginData.h"
 #include "wtf/Forward.h"
@@ -34,7 +34,7 @@ class LocalFrame;
 
 class DOMMimeType final : public GarbageCollectedFinalized<DOMMimeType>,
                           public ScriptWrappable,
-                          public DOMWindowProperty {
+                          public ContextClient {
   USING_GARBAGE_COLLECTED_MIXIN(DOMMimeType);
   DEFINE_WRAPPERTYPEINFO();