Change single-interface mojo bindings to use SequencedTaskRunner.

mojo/public/cpp/bindings/associated_group_controller.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 MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_GROUP_CONTROLLER_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_GROUP_CONTROLLER_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/optional.h"
-#include "base/single_thread_task_runner.h"
+#include "base/sequenced_task_runner.h"
 #include "mojo/public/cpp/bindings/bindings_export.h"
 #include "mojo/public/cpp/bindings/disconnect_reason.h"
 #include "mojo/public/cpp/bindings/interface_id.h"
 #include "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h"
 
 namespace mojo {
 
 class AssociatedGroup;
 class InterfaceEndpointClient;
 class InterfaceEndpointController;
@@ skipping 23 matching lines @@
       bool is_local,
       const base::Optional<DisconnectReason>& reason) = 0;
 
   // Attaches a client to the specified endpoint to send and receive messages.
   // The returned object is still owned by the controller. It must only be used
   // on the same thread as this call, and only before the client is detached
   // using DetachEndpointClient().
   virtual InterfaceEndpointController* AttachEndpointClient(
       const ScopedInterfaceEndpointHandle& handle,
       InterfaceEndpointClient* endpoint_client,
-      scoped_refptr<base::SingleThreadTaskRunner> runner) = 0;
+      scoped_refptr<base::SequencedTaskRunner> runner) = 0;
 
   // Detaches the client attached to the specified endpoint. It must be called
   // on the same thread as the corresponding AttachEndpointClient() call.
   virtual void DetachEndpointClient(
       const ScopedInterfaceEndpointHandle& handle) = 0;
 
   // Raises an error on the underlying message pipe. It disconnects the pipe
   // and notifies all interfaces running on this pipe.
   virtual void RaiseError() = 0;
 
   std::unique_ptr<AssociatedGroup> CreateAssociatedGroup();
 
  protected:
   friend class base::RefCountedThreadSafe<AssociatedGroupController>;
 
   // Creates a new ScopedInterfaceEndpointHandle associated with this
   // controller.
   ScopedInterfaceEndpointHandle CreateScopedInterfaceEndpointHandle(
       InterfaceId id,
       bool is_local);
 
   virtual ~AssociatedGroupController();
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_GROUP_CONTROLLER_H_