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diff --git a/chromium/device/bluetooth/bluetooth_remote_gatt_descriptor_chromeos.h b/chromium/device/bluetooth/bluetooth_remote_gatt_descriptor_chromeos.h
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index 00000000000..d4ea1e68217
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+++ b/chromium/device/bluetooth/bluetooth_remote_gatt_descriptor_chromeos.h
@@ -0,0 +1,89 @@
+// Copyright 2014 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_REMOTE_GATT_DESCRIPTOR_CHROMEOS_H_
+#define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_DESCRIPTOR_CHROMEOS_H_
+
+#include <string>
+#include <vector>
+
+#include "base/memory/weak_ptr.h"
+#include "dbus/object_path.h"
+#include "device/bluetooth/bluetooth_gatt_descriptor.h"
+#include "device/bluetooth/bluetooth_uuid.h"
+
+namespace device {
+
+class BluetoothGattCharacteristic;
+
+}  // namespace device
+
+namespace chromeos {
+
+class BluetoothRemoteGattCharacteristicChromeOS;
+
+// The BluetoothRemoteGattDescriptorChromeOS class implements
+// BluetoothGattDescriptor for remote GATT characteristic descriptors on the
+// Chrome OS platform.
+class BluetoothRemoteGattDescriptorChromeOS
+    : public device::BluetoothGattDescriptor {
+ public:
+  // device::BluetoothGattDescriptor overrides.
+  virtual std::string GetIdentifier() const OVERRIDE;
+  virtual device::BluetoothUUID GetUUID() const OVERRIDE;
+  virtual bool IsLocal() const OVERRIDE;
+  virtual const std::vector<uint8>& GetValue() const OVERRIDE;
+  virtual device::BluetoothGattCharacteristic*
+      GetCharacteristic() const OVERRIDE;
+  virtual device::BluetoothGattCharacteristic::Permissions
+      GetPermissions() const OVERRIDE;
+  virtual void ReadRemoteDescriptor(
+      const ValueCallback& callback,
+      const ErrorCallback& error_callback) OVERRIDE;
+  virtual void WriteRemoteDescriptor(
+      const std::vector<uint8>& new_value,
+      const base::Closure& callback,
+      const ErrorCallback& error_callback) OVERRIDE;
+
+  // Object path of the underlying D-Bus characteristic.
+  const dbus::ObjectPath& object_path() const { return object_path_; }
+
+ private:
+  friend class BluetoothRemoteGattCharacteristicChromeOS;
+
+  BluetoothRemoteGattDescriptorChromeOS(
+      BluetoothRemoteGattCharacteristicChromeOS* characteristic,
+      const dbus::ObjectPath& object_path);
+  virtual ~BluetoothRemoteGattDescriptorChromeOS();
+
+  // Called by dbus:: on successful completion of a request to read
+  // the descriptor value.
+  void OnValueSuccess(const ValueCallback& callback,
+                      const std::vector<uint8>& value);
+
+  // Called by dbus:: on unsuccessful completion of a request to read or write
+  // the descriptor value.
+  void OnError(const ErrorCallback& error_callback,
+               const std::string& error_name,
+               const std::string& error_message);
+
+  // Object path of the D-Bus descriptor object.
+  dbus::ObjectPath object_path_;
+
+  // The GATT characteristic this descriptor belongs to.
+  BluetoothRemoteGattCharacteristicChromeOS* characteristic_;
+
+  // The cached characteristic value based on the most recent read request.
+  std::vector<uint8> cached_value_;
+
+  // Note: This should remain the last member so it'll be destroyed and
+  // invalidate its weak pointers before any other members are destroyed.
+  base::WeakPtrFactory<BluetoothRemoteGattDescriptorChromeOS> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattDescriptorChromeOS);
+};
+
+}  // namespace chromeos
+
+#endif  // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_DESCRIPTOR_CHROMEOS_H_