Remove extension group from DOMWrapperWorld.

third_party/WebKit/Source/web/FrameLoaderClientImpl.h

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple 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.
@@ skipping 48 matching lines @@
   void didCreateNewDocument() override;
   // Notifies the WebView delegate that the JS window object has been cleared,
   // giving it a chance to bind native objects to the window before script
   // parsing begins.
   void dispatchDidClearWindowObjectInMainWorld() override;
   void documentElementAvailable() override;
   void runScriptsAtDocumentElementAvailable() override;
   void runScriptsAtDocumentReady(bool documentIsEmpty) override;
 
   void didCreateScriptContext(v8::Local<v8::Context>,
-                              int extensionGroup,
                               int worldId) override;
   void willReleaseScriptContext(v8::Local<v8::Context>, int worldId) override;
 
-  // Returns true if we should allow the given V8 extension to be added to
-  // the script context at the currently loading page and given extension group.
-  bool allowScriptExtension(const String& extensionName,
-                            int extensionGroup,
-                            int worldId) override;
+  // Returns true if we should allow register V8 extensions to be added.
+  bool allowScriptExtensions() override;
 
   bool hasWebView() const override;
   bool inShadowTree() const override;
   Frame* opener() const override;
   void setOpener(Frame*) override;
   Frame* parent() const override;
   Frame* top() const override;
   Frame* nextSibling() const override;
   Frame* firstChild() const override;
   void willBeDetached() override;
@@ skipping 150 matching lines @@
 
 DEFINE_TYPE_CASTS(FrameLoaderClientImpl,
                   FrameLoaderClient,
                   client,
                   client->isFrameLoaderClientImpl(),
                   client.isFrameLoaderClientImpl());
 
 }  // namespace blink
 
 #endif