Clear the BLE services list on disconnect.

device/bluetooth/bluetooth_device.cc

Index: device/bluetooth/bluetooth_device.cc
diff --git a/device/bluetooth/bluetooth_device.cc b/device/bluetooth/bluetooth_device.cc
index e666aa5c870785788f24031163407101a6ef8146..05532cc2b071b831cbc744c2d107cf6c07da519f 100644
--- a/device/bluetooth/bluetooth_device.cc
+++ b/device/bluetooth/bluetooth_device.cc
@@ -19,7 +19,9 @@
 namespace device {
 
 BluetoothDevice::BluetoothDevice(BluetoothAdapter* adapter)
-    : adapter_(adapter), services_data_(new base::DictionaryValue()) {}
+    : adapter_(adapter),
+      gatt_services_discovery_complete_(false),
+      services_data_(new base::DictionaryValue()) {}
 
 BluetoothDevice::~BluetoothDevice() {
   DidDisconnectGatt();
@@ -214,6 +216,14 @@ void BluetoothDevice::CreateGattConnection(
   CreateGattConnectionImpl();
 }
 
+void BluetoothDevice::SetGattServicesDiscoveryComplete(bool complete) {
+  gatt_services_discovery_complete_ = complete;
+}
+
+bool BluetoothDevice::IsGattServicesDiscoveryComplete() const {
+  return gatt_services_discovery_complete_;
+}
+
 std::vector<BluetoothGattService*>
     BluetoothDevice::GetGattServices() const {
   std::vector<BluetoothGattService*> services;