text: // Copyright (c) 2012 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 CHROME_RENDERER_EXTENSIONS_CHROME_V8_EXTENSION_HANDLER_H_
  #define CHROME_RENDERER_EXTENSIONS_CHROME_V8_EXTENSION_HANDLER_H_
  
  #include <string>
  
  #include "base/macros.h"
  #include "ipc/ipc_listener.h"
  #include "v8/include/v8.h"
  
  namespace extensions {
  
  // Base class for context-scoped handlers used with ChromeV8Extension.
  // TODO(koz): Rename/refactor this somehow. Maybe just pull it into
  // ChromeV8Extension.
  class ChromeV8ExtensionHandler : public IPC::Listener {
   public:
    ~ChromeV8ExtensionHandler() override;
  
    // IPC::Listener
    bool OnMessageReceived(const IPC::Message& message) override = 0;
  
   protected:
    ChromeV8ExtensionHandler();
    int GetRoutingID();
    void Send(IPC::Message* message);
  
   private:
    int routing_id_;
    DISALLOW_COPY_AND_ASSIGN(ChromeV8ExtensionHandler);
  };
  
  }  // namespace extensions
  
  #endif  // CHROME_RENDERER_EXTENSIONS_CHROME_V8_EXTENSION_HANDLER_H_
  