[Extensions Bindings] Request JS execution from messaging bindings

extensions/renderer/messaging_bindings.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_MESSAGING_BINDINGS_H_
 #define EXTENSIONS_RENDERER_MESSAGING_BINDINGS_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 52 matching lines @@
       const std::string& error_message,
       content::RenderFrame* restrict_to_render_frame);
 
   // Returns an existing port with the given |id|, or null.
   ExtensionPort* GetPortWithId(const PortId& id);
 
   // Creates a new port with the given |id|. MessagingBindings owns the
   // returned port.
   ExtensionPort* CreateNewPortWithId(const PortId& id);
 
-  // Removes the port with the given |js_id|.
-  void RemovePortWithJsId(int js_id);
-
   const base::UnguessableToken& context_id() const { return context_id_; }
 
   base::WeakPtr<MessagingBindings> GetWeakPtr();
 
  private:
   using PortMap = std::map<int, std::unique_ptr<ExtensionPort>>;
 
   // JS Exposed Function: Sends a message along the given channel.
   void PostMessage(const v8::FunctionCallbackInfo<v8::Value>& args);
 
@@ skipping 35 matching lines @@
   const base::UnguessableToken context_id_;
 
   base::WeakPtrFactory<MessagingBindings> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MessagingBindings);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_MESSAGING_BINDINGS_H_