Reland "Add Linux support for the Bluetooth API"

device/bluetooth/bluetooth_adapter.cc

 // Copyright (c) 2012 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_adapter.h"
 
 #include "base/bind.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/stl_util.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/bluetooth_discovery_session.h"
 #include "device/bluetooth/bluetooth_discovery_session_outcome.h"
 
 namespace device {
 
 BluetoothAdapter::ServiceOptions::ServiceOptions() {
 }
 BluetoothAdapter::ServiceOptions::~ServiceOptions() {
 }
 
 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS) && !defined(OS_MACOSX) && \
-    !defined(OS_WIN)
+    !defined(OS_WIN) && !defined(OS_LINUX)
 // static
 base::WeakPtr<BluetoothAdapter> BluetoothAdapter::CreateAdapter(
     const InitCallback& init_callback) {
   return base::WeakPtr<BluetoothAdapter>();
 }
 #endif  // !defined(OS_CHROMEOS) && !defined(OS_WIN) && !defined(OS_MACOSX)
 
 base::WeakPtr<BluetoothAdapter> BluetoothAdapter::GetWeakPtrForTesting() {
   return weak_ptr_factory_.GetWeakPtr();
 }
 
-#if defined(OS_CHROMEOS)
+#if defined(OS_CHROMEOS) || defined(OS_LINUX)
 void BluetoothAdapter::Shutdown() {
   NOTIMPLEMENTED();
 }
 #endif
 
 void BluetoothAdapter::AddObserver(BluetoothAdapter::Observer* observer) {
   DCHECK(observer);
   observers_.AddObserver(observer);
 }
 
@@ skipping 206 matching lines @@
 
 // static
 void BluetoothAdapter::RecordBluetoothDiscoverySessionStopOutcome(
     UMABluetoothDiscoverySessionOutcome outcome) {
   UMA_HISTOGRAM_ENUMERATION(
       "Bluetooth.DiscoverySession.Stop.Outcome", static_cast<int>(outcome),
       static_cast<int>(UMABluetoothDiscoverySessionOutcome::COUNT));
 }
 
 }  // namespace device