Remove DOMWindowProperty from Performance

third_party/WebKit/Source/core/timing/Performance.h

Index: third_party/WebKit/Source/core/timing/Performance.h
diff --git a/third_party/WebKit/Source/core/timing/Performance.h b/third_party/WebKit/Source/core/timing/Performance.h
index 339aaf8e084f8718842eed91c71f32c29adfd400..2fcc3d8133e39dac14488249158363b44f68b015 100644
--- a/third_party/WebKit/Source/core/timing/Performance.h
+++ b/third_party/WebKit/Source/core/timing/Performance.h
@@ -33,7 +33,7 @@
 #define Performance_h
 
 #include "core/CoreExport.h"
-#include "core/frame/DOMWindowProperty.h"
+#include "core/dom/ContextLifecycleObserver.h"
 #include "core/frame/PerformanceMonitor.h"
 #include "core/timing/MemoryInfo.h"
 #include "core/timing/PerformanceBase.h"
@@ -46,7 +46,7 @@ class ScriptState;
 class ScriptValue;
 
 class CORE_EXPORT Performance final : public PerformanceBase,
-                                      public DOMWindowProperty,
+                                      public ContextLifecycleObserver,
                                       public PerformanceMonitor::Client {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(Performance);
@@ -73,8 +73,8 @@ class CORE_EXPORT Performance final : public PerformanceBase,
  private:
   explicit Performance(LocalFrame*);
 
-  // DOMWindowProperty overrides.
-  void frameDestroyed() override;
+  // ContextLifecycleObserver overrides.
+  void contextDestroyed() override;
 
   static std::pair<String, DOMWindow*> sanitizedAttribution(
       ExecutionContext*,