device/bluetooth: Move GATT observer methods to BluetoothAdapter::Observer.

device/bluetooth/bluetooth_adapter_chromeos.h

Index: device/bluetooth/bluetooth_adapter_chromeos.h
diff --git a/device/bluetooth/bluetooth_adapter_chromeos.h b/device/bluetooth/bluetooth_adapter_chromeos.h
index 87518bdbbda2c5375f4c0326e6cca6eb99e5d417..7e1e50ebd12e38efc78f4df68f7f4cb8d3729662 100644
--- a/device/bluetooth/bluetooth_adapter_chromeos.h
+++ b/device/bluetooth/bluetooth_adapter_chromeos.h
@@ -27,6 +27,9 @@ namespace chromeos {
 class BluetoothChromeOSTest;
 class BluetoothDeviceChromeOS;
 class BluetoothPairingChromeOS;
+class BluetoothRemoteGattCharacteristicChromeOS;
+class BluetoothRemoteGattDescriptorChromeOS;
+class BluetoothRemoteGattServiceChromeOS;
 
 // The BluetoothAdapterChromeOS class implements BluetoothAdapter for the
 // Chrome OS platform.
@@ -82,6 +85,27 @@ class BluetoothAdapterChromeOS
   // its D-Bus properties.
   void NotifyDeviceChanged(BluetoothDeviceChromeOS* device);
 
+  // The following methods are used to send various GATT observer events to
+  // observers.
+  void NotifyGattServiceAdded(BluetoothRemoteGattServiceChromeOS* service);
+  void NotifyGattServiceRemoved(BluetoothRemoteGattServiceChromeOS* service);
+  void NotifyGattServiceChanged(BluetoothRemoteGattServiceChromeOS* service);
+  void NotifyGattDiscoveryComplete(BluetoothRemoteGattServiceChromeOS* service);
+  void NotifyGattCharacteristicAdded(
+      BluetoothRemoteGattCharacteristicChromeOS* characteristic);
+  void NotifyGattCharacteristicRemoved(
+      BluetoothRemoteGattCharacteristicChromeOS* characteristic);
+  void NotifyGattDescriptorAdded(
+      BluetoothRemoteGattDescriptorChromeOS* descriptor);
+  void NotifyGattDescriptorRemoved(
+      BluetoothRemoteGattDescriptorChromeOS* descriptor);
+  void NotifyGattCharacteristicValueChanged(
+      BluetoothRemoteGattCharacteristicChromeOS* characteristic,
+      const std::vector<uint8>& value);
+  void NotifyGattDescriptorValueChanged(
+      BluetoothRemoteGattDescriptorChromeOS* descriptor,
+      const std::vector<uint8>& value);
+
   // Returns the object path of the adapter.
   const dbus::ObjectPath& object_path() const { return object_path_; }