Change single-interface mojo bindings to use SequencedTaskRunner.

mojo/public/cpp/bindings/lib/associated_interface_ptr_state.h

 // Copyright 2015 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_LIB_ASSOCIATED_INTERFACE_PTR_STATE_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_ASSOCIATED_INTERFACE_PTR_STATE_H_
 
 #include <stdint.h>
 
 #include <algorithm>  // For |std::swap()|.
 #include <memory>
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
-#include "base/single_thread_task_runner.h"
+#include "base/sequenced_task_runner.h"
 #include "mojo/public/cpp/bindings/associated_group.h"
 #include "mojo/public/cpp/bindings/associated_group_controller.h"
 #include "mojo/public/cpp/bindings/associated_interface_ptr_info.h"
 #include "mojo/public/cpp/bindings/connection_error_callback.h"
 #include "mojo/public/cpp/bindings/interface_endpoint_client.h"
 #include "mojo/public/cpp/bindings/interface_id.h"
 #include "mojo/public/cpp/bindings/lib/control_message_handler.h"
 #include "mojo/public/cpp/bindings/lib/control_message_proxy.h"
 #include "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h"
 #include "mojo/public/cpp/system/message_pipe.h"
@@ skipping 48 matching lines @@
   }
 
   void Swap(AssociatedInterfacePtrState* other) {
     using std::swap;
     swap(other->endpoint_client_, endpoint_client_);
     swap(other->proxy_, proxy_);
     swap(other->version_, version_);
   }
 
   void Bind(AssociatedInterfacePtrInfo<Interface> info,
-            scoped_refptr<base::SingleThreadTaskRunner> runner) {
+            scoped_refptr<base::SequencedTaskRunner> runner) {
     DCHECK(!endpoint_client_);
     DCHECK(!proxy_);
     DCHECK_EQ(0u, version_);
     DCHECK(info.is_valid());
 
     version_ = info.version();
     // The version is only queried from the client so the value passed here
     // will not be used.
     endpoint_client_.reset(new InterfaceEndpointClient(
         info.PassHandle(), nullptr,
@@ skipping 61 matching lines @@
 
   uint32_t version_;
 
   DISALLOW_COPY_AND_ASSIGN(AssociatedInterfacePtrState);
 };
 
 }  // namespace internal
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_ASSOCIATED_INTERFACE_PTR_STATE_H_