Reland "Add Linux support for the Bluetooth API"

device/bluetooth/bluetooth_gatt_connection_bluez.cc

 // 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.
 
-#include "device/bluetooth/bluetooth_gatt_connection_chromeos.h"
+#include "device/bluetooth/bluetooth_gatt_connection_bluez.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/dbus/bluez_dbus_manager.h"
 
-namespace chromeos {
+namespace bluez {
 
-BluetoothGattConnectionChromeOS::BluetoothGattConnectionChromeOS(
+BluetoothGattConnectionBlueZ::BluetoothGattConnectionBlueZ(
     scoped_refptr<device::BluetoothAdapter> adapter,
     const std::string& device_address,
     const dbus::ObjectPath& object_path)
     : BluetoothGattConnection(adapter.get(), device_address),
       connected_(true),
       object_path_(object_path) {
   DCHECK(adapter_.get());
   DCHECK(!device_address_.empty());
   DCHECK(object_path_.IsValid());
 
   bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->AddObserver(this);
 }
 
-BluetoothGattConnectionChromeOS::~BluetoothGattConnectionChromeOS() {
+BluetoothGattConnectionBlueZ::~BluetoothGattConnectionBlueZ() {
   bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->RemoveObserver(
       this);
   Disconnect();
 }
 
-bool BluetoothGattConnectionChromeOS::IsConnected() {
+bool BluetoothGattConnectionBlueZ::IsConnected() {
   // Lazily determine the activity state of the connection. If already
   // marked as inactive, then return false. Otherwise, explicitly mark
   // |connected_| as false if the device is removed or disconnected. We do this,
   // so that if this method is called during a call to DeviceRemoved or
   // DeviceChanged somewhere else, it returns the correct status.
   if (!connected_)
     return false;
 
   bluez::BluetoothDeviceClient::Properties* properties =
       bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
           object_path_);
   if (!properties || !properties->connected.value())
     connected_ = false;
 
   return connected_;
 }
 
-void BluetoothGattConnectionChromeOS::Disconnect() {
+void BluetoothGattConnectionBlueZ::Disconnect() {
   if (!connected_) {
     VLOG(1) << "Connection already inactive.";
     return;
   }
 
   // TODO(armansito): There isn't currently a good way to manage the ownership
   // of a connection between Chrome and bluetoothd plugins/profiles. Until
   // a proper reference count is kept by bluetoothd, we might unwittingly kill
   // a connection that is managed by the daemon (e.g. HoG). For now, just return
   // success to indicate that this BluetoothGattConnection is no longer active,
   // even though the underlying connection won't actually be disconnected. This
   // technically doesn't violate the contract put forth by this API.
   connected_ = false;
 }
 
-void BluetoothGattConnectionChromeOS::DeviceRemoved(
+void BluetoothGattConnectionBlueZ::DeviceRemoved(
     const dbus::ObjectPath& object_path) {
   if (object_path != object_path_)
     return;
 
   connected_ = false;
 }
 
-void BluetoothGattConnectionChromeOS::DevicePropertyChanged(
+void BluetoothGattConnectionBlueZ::DevicePropertyChanged(
     const dbus::ObjectPath& object_path,
     const std::string& property_name) {
   if (object_path != object_path_)
     return;
 
   if (!connected_)
     return;
 
   bluez::BluetoothDeviceClient::Properties* properties =
       bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
           object_path_);
 
   if (!properties) {
     connected_ = false;
     return;
   }
 
   if (property_name == properties->connected.name() &&
       !properties->connected.value())
     connected_ = false;
 
   // The remote device's bluetooth address may change if it is paired while
   // connected.
   if (property_name == properties->address.name())
     device_address_ = properties->address.value();
 }
 
-}  // namespace chromeos
+}  // namespace bluez