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diff --git a/device/bluetooth/bluetooth_socket_chromeos.h b/device/bluetooth/bluetooth_socket_chromeos.h
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+++ b/device/bluetooth/bluetooth_socket_chromeos.h
@@ -0,0 +1,203 @@
+// Copyright 2013 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 DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_CHROMEOS_H_
+#define DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_CHROMEOS_H_
+
+#include <queue>
+#include <string>
+
+#include "base/memory/linked_ptr.h"
+#include "base/memory/scoped_ptr.h"
+#include "dbus/object_path.h"
+#include "device/bluetooth/bluetooth_adapter.h"
+#include "device/bluetooth/bluetooth_export.h"
+#include "device/bluetooth/bluetooth_socket.h"
+#include "device/bluetooth/bluetooth_socket_net.h"
+#include "device/bluetooth/bluetooth_uuid.h"
+#include "device/bluetooth/dbus/bluetooth_profile_manager_client.h"
+#include "device/bluetooth/dbus/bluetooth_profile_service_provider.h"
+
+namespace dbus {
+class FileDescriptor;
+}  // namespace dbus
+
+namespace chromeos {
+
+class BluetoothDeviceChromeOS;
+class BluetoothAdapterChromeOS;
+class BluetoothAdapterProfileChromeOS;
+
+// The BluetoothSocketChromeOS class implements BluetoothSocket for the
+// Chrome OS platform.
+//
+// This class is not thread-safe, but is only called from the UI thread.
+class DEVICE_BLUETOOTH_EXPORT BluetoothSocketChromeOS
+    : public device::BluetoothSocketNet,
+      public device::BluetoothAdapter::Observer,
+      public bluez::BluetoothProfileServiceProvider::Delegate {
+ public:
+  enum SecurityLevel {
+    SECURITY_LEVEL_LOW,
+    SECURITY_LEVEL_MEDIUM
+  };
+
+  static scoped_refptr<BluetoothSocketChromeOS> CreateBluetoothSocket(
+      scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
+      scoped_refptr<device::BluetoothSocketThread> socket_thread);
+
+  // Connects this socket to the service on |device| published as UUID |uuid|,
+  // the underlying protocol and PSM or Channel is obtained through service
+  // discovery. On a successful connection the socket properties will be updated
+  // and |success_callback| called. On failure |error_callback| will be called
+  // with a message explaining the cause of the failure.
+  virtual void Connect(const BluetoothDeviceChromeOS* device,
+                       const device::BluetoothUUID& uuid,
+                       SecurityLevel security_level,
+                       const base::Closure& success_callback,
+                       const ErrorCompletionCallback& error_callback);
+
+  // Listens using this socket using a service published on |adapter|. The
+  // service is either RFCOMM or L2CAP depending on |socket_type| and published
+  // as UUID |uuid|. The |service_options| argument is interpreted according to
+  // |socket_type|. |success_callback| will be called if the service is
+  // successfully registered, |error_callback| on failure with a message
+  // explaining the cause.
+  enum SocketType { kRfcomm, kL2cap };
+  virtual void Listen(
+      scoped_refptr<device::BluetoothAdapter> adapter,
+      SocketType socket_type,
+      const device::BluetoothUUID& uuid,
+      const device::BluetoothAdapter::ServiceOptions& service_options,
+      const base::Closure& success_callback,
+      const ErrorCompletionCallback& error_callback);
+
+  // BluetoothSocket:
+  void Close() override;
+  void Disconnect(const base::Closure& callback) override;
+  void Accept(const AcceptCompletionCallback& success_callback,
+              const ErrorCompletionCallback& error_callback) override;
+
+ protected:
+  ~BluetoothSocketChromeOS() override;
+
+ private:
+  BluetoothSocketChromeOS(
+      scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
+      scoped_refptr<device::BluetoothSocketThread> socket_thread);
+
+  // Register the underlying profile client object with the Bluetooth Daemon.
+  void RegisterProfile(BluetoothAdapterChromeOS* adapter,
+                       const base::Closure& success_callback,
+                       const ErrorCompletionCallback& error_callback);
+  void OnRegisterProfile(const base::Closure& success_callback,
+                         const ErrorCompletionCallback& error_callback,
+                         BluetoothAdapterProfileChromeOS* profile);
+  void OnRegisterProfileError(const ErrorCompletionCallback& error_callback,
+                              const std::string& error_message);
+
+  // Called by dbus:: on completion of the ConnectProfile() method.
+  void OnConnectProfile(const base::Closure& success_callback);
+  void OnConnectProfileError(const ErrorCompletionCallback& error_callback,
+                             const std::string& error_name,
+                             const std::string& error_message);
+
+  // BluetoothAdapter::Observer:
+  void AdapterPresentChanged(device::BluetoothAdapter* adapter,
+                             bool present) override;
+
+  // Called by dbus:: on completion of the RegisterProfile() method call
+  // triggered as a result of the adapter becoming present again.
+  void OnInternalRegisterProfile(BluetoothAdapterProfileChromeOS* profile);
+  void OnInternalRegisterProfileError(const std::string& error_message);
+
+  // bluez::BluetoothProfileServiceProvider::Delegate:
+  void Released() override;
+  void NewConnection(
+      const dbus::ObjectPath& device_path,
+      scoped_ptr<dbus::FileDescriptor> fd,
+      const bluez::BluetoothProfileServiceProvider::Delegate::Options& options,
+      const ConfirmationCallback& callback) override;
+  void RequestDisconnection(const dbus::ObjectPath& device_path,
+                            const ConfirmationCallback& callback) override;
+  void Cancel() override;
+
+  // Method run to accept a single incoming connection.
+  void AcceptConnectionRequest();
+
+  // Method run on the socket thread to validate the file descriptor of a new
+  // connection and set up the underlying net::TCPSocket() for it.
+  void DoNewConnection(
+      const dbus::ObjectPath& device_path,
+      scoped_ptr<dbus::FileDescriptor> fd,
+      const bluez::BluetoothProfileServiceProvider::Delegate::Options& options,
+      const ConfirmationCallback& callback);
+
+  // Method run on the UI thread after a new connection has been accepted and
+  // a socket allocated in |socket|. Takes care of calling the Accept()
+  // callback and |callback| with the right arguments based on |status|.
+  void OnNewConnection(scoped_refptr<BluetoothSocket> socket,
+                       const ConfirmationCallback& callback,
+                       Status status);
+
+  // Method run on the socket thread with a valid file descriptor |fd|, once
+  // complete calls |callback| on the UI thread with an appropriate argument
+  // indicating success or failure.
+  void DoConnect(scoped_ptr<dbus::FileDescriptor> fd,
+                 const ConfirmationCallback& callback);
+
+  // Method run to clean-up a listening socket.
+  void DoCloseListening();
+
+  // Unregisters this socket's usage of the Bluetooth profile which cleans up
+  // the profile if no one is using it.
+  void UnregisterProfile();
+
+  // Adapter the profile is registered against
+  scoped_refptr<device::BluetoothAdapter> adapter_;
+
+  // Address and D-Bus object path of the device being connected to, empty and
+  // ignored if the socket is listening.
+  std::string device_address_;
+  dbus::ObjectPath device_path_;
+
+  // UUID of the profile being connected to, or listening on.
+  device::BluetoothUUID uuid_;
+
+  // Copy of the profile options used for registering the profile.
+  scoped_ptr<bluez::BluetoothProfileManagerClient::Options> options_;
+
+  // The profile registered with the adapter for this socket.
+  BluetoothAdapterProfileChromeOS* profile_;
+
+  // Pending request to an Accept() call.
+  struct AcceptRequest {
+    AcceptRequest();
+    ~AcceptRequest();
+
+    AcceptCompletionCallback success_callback;
+    ErrorCompletionCallback error_callback;
+  };
+  scoped_ptr<AcceptRequest> accept_request_;
+
+  // Queue of incoming connection requests.
+  struct ConnectionRequest {
+    ConnectionRequest();
+    ~ConnectionRequest();
+
+    dbus::ObjectPath device_path;
+    scoped_ptr<dbus::FileDescriptor> fd;
+    bluez::BluetoothProfileServiceProvider::Delegate::Options options;
+    ConfirmationCallback callback;
+    bool accepting;
+    bool cancelled;
+  };
+  std::queue<linked_ptr<ConnectionRequest> > connection_request_queue_;
+
+  DISALLOW_COPY_AND_ASSIGN(BluetoothSocketChromeOS);
+};
+
+}  // namespace chromeos
+
+#endif  // DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_CHROMEOS_H_