Remove support for NPObjects.

third_party/WebKit/Source/web/WebLocalFrameImpl.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 83 matching lines @@
     bool hasVisibleContent() const override;
     WebRect visibleContentRect() const override;
     bool hasHorizontalScrollbar() const override;
     bool hasVerticalScrollbar() const override;
     WebView* view() const override;
     void setOpener(WebFrame*) override;
     WebDocument document() const override;
     WebPerformance performance() const override;
     bool dispatchBeforeUnloadEvent() override;
     void dispatchUnloadEvent() override;
-    NPObject* windowObject() const override;
-    void bindToWindowObject(const WebString& name, NPObject*) override;
-    void bindToWindowObject(const WebString& name, NPObject*, void*) override;
     void executeScript(const WebScriptSource&) override;
     void executeScriptInIsolatedWorld(
         int worldID, const WebScriptSource* sources, unsigned numSources,
         int extensionGroup) override;
     void setIsolatedWorldSecurityOrigin(int worldID, const WebSecurityOrigin&) override;
     void setIsolatedWorldContentSecurityPolicy(int worldID, const WebString&) override;
     void setIsolatedWorldHumanReadableName(int worldID, const WebString&) override;
     void addMessageToConsole(const WebConsoleMessage&) override;
     void collectGarbage() override;
     bool checkIfRunInsecureContent(const WebURL&) const override;
@@ skipping 292 matching lines @@
     // cleared upon close().
     SelfKeepAlive<WebLocalFrameImpl> m_selfKeepAlive;
 #endif
 };
 
 DEFINE_TYPE_CASTS(WebLocalFrameImpl, WebFrame, frame, frame->isWebLocalFrame(), frame.isWebLocalFrame());
 
 } // namespace blink
 
 #endif