Renderers should obtain browser InterfaceProvider by connecting to browser

content/public/common/mojo_shell_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_MOJO_SHELL_CONNECTION_H_
 #define CONTENT_PUBLIC_COMMON_MOJO_SHELL_CONNECTION_H_
 
 #include <memory>
 
 #include "base/callback_forward.h"
@@ skipping 96 matching lines @@
   // Allows the caller to filter inbound connections and/or expose interfaces
   // on them. |filter| may be created on any thread, but will be used and
   // destroyed exclusively on the IO thread (the thread corresponding to
   // |io_task_runner| passed to Create() above.)
   //
   // Connection filters MUST be added before calling Start() in order to avoid
   // races.
   virtual void AddConnectionFilter(
       std::unique_ptr<ConnectionFilter> filter) = 0;
 
+  // Returns ownership of |filter|, added via AddConnectionFilter(), to the
+  // caller.
+  virtual std::unique_ptr<ConnectionFilter> RemoveConnectionFilter(
+      ConnectionFilter* filter) = 0;
+
   // Adds an embedded service to this connection's ServiceFactory.
   // |info| provides details on how to construct new instances of the
   // service when an incoming connection is made to |name|.
   virtual void AddEmbeddedService(const std::string& name,
                                   const MojoApplicationInfo& info) = 0;
 
   // 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;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_MOJO_SHELL_CONNECTION_H_