Implement //device/bt changes for notifications.

chrome/browser/extensions/api/bluetooth_low_energy/bluetooth_low_energy_event_router.h

Index: chrome/browser/extensions/api/bluetooth_low_energy/bluetooth_low_energy_event_router.h
diff --git a/chrome/browser/extensions/api/bluetooth_low_energy/bluetooth_low_energy_event_router.h b/chrome/browser/extensions/api/bluetooth_low_energy/bluetooth_low_energy_event_router.h
index 2862001530c85f28bf29c9189ead96da1b470516..593b733f26d98ef523b70ea11f860ae6e3828fc1 100644
--- a/chrome/browser/extensions/api/bluetooth_low_energy/bluetooth_low_energy_event_router.h
+++ b/chrome/browser/extensions/api/bluetooth_low_energy/bluetooth_low_energy_event_router.h
@@ -323,14 +323,12 @@ class BluetoothLowEnergyEventRouter
       int offset,
       const base::Closure& callback,
       const Delegate::ErrorCallback& error_callback) override;
-
   void OnDescriptorReadRequest(
       const device::BluetoothLocalGattService* service,
       const device::BluetoothLocalGattDescriptor* descriptor,
       int offset,
       const Delegate::ValueCallback& value_callback,
       const Delegate::ErrorCallback& error_callback) override;
-
   void OnDescriptorWriteRequest(
       const device::BluetoothLocalGattService* service,
       const device::BluetoothLocalGattDescriptor* descriptor,
@@ -338,6 +336,12 @@ class BluetoothLowEnergyEventRouter
       int offset,
       const base::Closure& callback,
       const Delegate::ErrorCallback& error_callback) override;
+  void OnNotificationsStart(
+      const device::BluetoothLocalGattService* service,
+      const device::BluetoothLocalGattCharacteristic* characteristic) override;
+  void OnNotificationsStop(
+      const device::BluetoothLocalGattService* service,
+      const device::BluetoothLocalGattCharacteristic* characteristic) override;
 
   // extensions::ExtensionRegistryObserver overrides:
   void OnExtensionUnloaded(