Remove ContextClient from NavigatorInstalledApp

third_party/WebKit/Source/modules/installedapp/NavigatorInstalledApp.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NavigatorInstalledApp_h
 #define NavigatorInstalledApp_h
 
-#include "core/dom/ContextLifecycleObserver.h"
 #include "core/frame/Navigator.h"
 #include "platform/Supplementable.h"
 #include "platform/heap/Handle.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class Document;
 class Navigator;
 class ScriptPromise;
 class ScriptState;
 class InstalledAppController;
 
 class NavigatorInstalledApp final
     : public GarbageCollected<NavigatorInstalledApp>,
-      public Supplement<Navigator>,
-      public ContextClient {
+      public Supplement<Navigator> {
   USING_GARBAGE_COLLECTED_MIXIN(NavigatorInstalledApp);
 
  public:
   static NavigatorInstalledApp* from(Document&);
   static NavigatorInstalledApp& from(Navigator&);
 
   static ScriptPromise getInstalledRelatedApps(ScriptState*, Navigator&);
   ScriptPromise getInstalledRelatedApps(ScriptState*);
 
   InstalledAppController* controller();
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
-  explicit NavigatorInstalledApp(LocalFrame*);
+  explicit NavigatorInstalledApp(Navigator&);
   static const char* supplementName();
 };
 
 }  // namespace blink
 
 #endif  // NavigatorInstalledApp_h