Remove extension group from DOMWrapperWorld.

extensions/renderer/script_context_set.h

 // Copyright 2014 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 EXTENSIONS_RENDERER_SCRIPT_CONTEXT_SET_H_
 #define EXTENSIONS_RENDERER_SCRIPT_CONTEXT_SET_H_
 
 #include <stddef.h>
 
 #include <set>
@@ skipping 37 matching lines @@
   ~ScriptContextSet();
 
   // Returns the number of contexts being tracked by this set.
   // This may also include invalid contexts. TODO(kalman): Useful?
   size_t size() const { return contexts_.size(); }
 
   // Creates and starts managing a new ScriptContext. Ownership is held.
   // Returns a weak reference to the new ScriptContext.
   ScriptContext* Register(blink::WebLocalFrame* frame,
                           const v8::Local<v8::Context>& v8_context,
-                          int extension_group,
                           int world_id);
 
   // If the specified context is contained in this set, remove it, then delete
   // it asynchronously. After this call returns the context object will still
   // be valid, but its frame() pointer will be cleared.
   void Remove(ScriptContext* context);
 
   // Gets the ScriptContext corresponding to v8::Context::GetCurrent(), or
   // NULL if no such context exists.
   ScriptContext* GetCurrent() const;
@@ skipping 45 matching lines @@
   // extension ID associated with the main world's JavaScript context. If the
   // JavaScript context isn't from an extension, returns empty string.
   const Extension* GetExtensionFromFrameAndWorld(
       const blink::WebLocalFrame* frame,
       int world_id,
       bool use_effective_url);
 
   // Returns the Feature::Context type of context for a JavaScript context.
   Feature::Context ClassifyJavaScriptContext(
       const Extension* extension,
-      int extension_group,
+      int world_id,
       const GURL& url,
       const blink::WebSecurityOrigin& origin);
 
   // Helper for OnExtensionUnloaded().
   void RecordAndRemove(std::set<ScriptContext*>* removed,
                        ScriptContext* context);
 
   // Weak reference to all installed Extensions that are also active in this
   // process.
   ExtensionIdSet* active_extension_ids_;
 
   // The set of all ScriptContexts we own.
   std::set<ScriptContext*> contexts_;
 
   DISALLOW_COPY_AND_ASSIGN(ScriptContextSet);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_SCRIPT_CONTEXT_SET_H_