Clean up dead InterfaceRegistry instances in ServiceContext

content/common/service_manager/service_manager_connection_impl.cc

 // Copyright 2016 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.
 
 #include "content/common/service_manager/service_manager_connection_impl.h"
 
 #include <queue>
 #include <utility>
 #include <vector>
 
@@ skipping 240 matching lines @@
       for (auto& entry : connection_filters_) {
         accept |= entry.second->OnConnect(remote_info.identity, registry,
                                           service_context_->connector());
       }
     }
 
     if (remote_service == "service:content_browser" &&
         !has_browser_connection_) {
       has_browser_connection_ = true;
       registry->set_default_binder(default_browser_binder_);
-      registry->SetConnectionLostClosure(
+      registry->AddConnectionLostClosure(
           base::Bind(&IOThreadContext::OnBrowserConnectionLost, this));
       return true;
     }
 
     // If no filters were interested, reject the connection.
     return accept;
   }
 
   bool OnStop() override {
     ClearConnectionFiltersOnIOThread();
@@ skipping 264 matching lines @@
 
 void ServiceManagerConnectionImpl::GetInterface(
     service_manager::mojom::InterfaceProvider* provider,
     const std::string& interface_name,
     mojo::ScopedMessagePipeHandle request_handle) {
   provider->GetInterface(interface_name, std::move(request_handle));
 }
 
 }  // namespace content