Add frame-specific InterfaceProviderSpec.

content/public/common/service_manager_connection.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_COMMON_SERVICE_MANAGER_CONNECTION_H_
 #define CONTENT_PUBLIC_COMMON_SERVICE_MANAGER_CONNECTION_H_
 
 #include <memory>
 
 #include "base/callback_forward.h"
@@ skipping 21 matching lines @@
 // interfaces
 // will be exposed to inbound connections to this object's Service.
 // Alternatively clients can define named services that will be constructed when
 // requests for those service names are received.
 // Clients must call any of the registration methods when receiving
 // ContentBrowserClient::RegisterInProcessServices().
 class CONTENT_EXPORT ServiceManagerConnection {
  public:
   using ServiceRequestHandler =
       base::Callback<void(service_manager::mojom::ServiceRequest)>;
+  using OnConnectHandler =
+      base::Callback<void(const service_manager::ServiceInfo&,
+                          const service_manager::ServiceInfo&)>;
   using Factory =
       base::Callback<std::unique_ptr<ServiceManagerConnection>(void)>;
 
   // Stores an instance of |connection| in TLS for the current process. Must be
   // called on the thread the connection was created on.
   static void SetForProcess(
       std::unique_ptr<ServiceManagerConnection> connection);
 
   // Returns the per-process instance, or nullptr if the Service Manager
   // connection has not yet been bound. Must be called on the thread the
@@ skipping 85 matching lines @@
 
   // Adds a generic ServiceRequestHandler for a given service name. This
   // will be used to satisfy any incoming calls to CreateService() which
   // reference the given name.
   //
   // For in-process services, it is preferable to use |AddEmbeddedService()| as
   // defined above.
   virtual void AddServiceRequestHandler(
       const std::string& name,
       const ServiceRequestHandler& handler) = 0;
+
+  // Registers a callback to be run when the service_manager::Service
+  // implementation on the IO thread receives OnConnect(). Returns an id that
+  // can be passed to RemoveOnConnectHandler(), starting at 1.
+  virtual int AddOnConnectHandler(const OnConnectHandler& handler) = 0;
+  virtual void RemoveOnConnectHandler(int id) = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_SERVICE_MANAGER_CONNECTION_H_