COM replaced with RPC for firing events in broker.

ceee/ie/broker/broker.h

 // Copyright (c) 2010 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.
 //
 // @file
 // ICeeeBroker implementation.
 
 #ifndef CEEE_IE_BROKER_BROKER_H_
 #define CEEE_IE_BROKER_BROKER_H_
 
 #include <atlbase.h>
 #include <atlcom.h>
 
 #include "ceee/ie/broker/resource.h"
 
 #include "broker_lib.h"  // NOLINT
 
 class ExecutorsManager;
 class ApiDispatcher;
 
 // The CEEE user Broker is a COM object exposed from an executable server
 // so that we can call it to execute code in destination threads of other
 // processes, even if they run at a hight integrity level.
 
 // Entry point to execute code in specific destination threads.
 class ATL_NO_VTABLE CeeeBroker
     : public CComObjectRootEx<CComMultiThreadModel>,
       public CComCoClass<CeeeBroker, &CLSID_CeeeBroker>,
       public ICeeeBroker,
-      public ICeeeBrokerRegistrar,
-      public IExternalConnectionImpl<CeeeBroker> {
+      public ICeeeBrokerRegistrar {
  public:
   DECLARE_REGISTRY_RESOURCEID(IDR_BROKER)
 
   DECLARE_NOT_AGGREGATABLE(CeeeBroker)
   BEGIN_COM_MAP(CeeeBroker)
-    COM_INTERFACE_ENTRY(IExternalConnection)
     COM_INTERFACE_ENTRY(ICeeeBrokerRegistrar)
     COM_INTERFACE_ENTRY(ICeeeBroker)
   END_COM_MAP()
   DECLARE_PROTECT_FINAL_CONSTRUCT()
 
   // To set get our pointer to the ExecutorsManager and let tests override it.
   virtual HRESULT FinalConstruct();
 
   // @name ICeeeBroker implementation.
   // @{
   STDMETHOD(Execute)(BSTR function, BSTR* response);
   STDMETHOD(FireEvent)(BSTR event_name, BSTR event_args);
   // @}
 
   // @name ICeeeBrokerRegistrar implementation.
   // @{
   STDMETHOD(RegisterWindowExecutor)(long thread_id, IUnknown* executor);
   STDMETHOD(RegisterTabExecutor)(long thread_id, IUnknown* executor);
   STDMETHOD(UnregisterExecutor)(long thread_id);
   STDMETHOD(SetTabIdForHandle)(long tab_id, CeeeWindowHandle handle);
   // @}
 
-  // IExternalConnectionImpl overrides
-  void OnAddConnection(bool first_lock);
-  void OnReleaseConnection(bool last_unlock, bool last_unlock_releases);
-
  protected:
   // A pointer to single instance objects, or seams set for unittests.
   ExecutorsManager * executors_manager_;
   ApiDispatcher* api_dispatcher_;
 };
 
 #endif  // CEEE_IE_BROKER_BROKER_H_