bluetooth: Blink-side implementation of getCharacteristic.

Source/modules/bluetooth/BluetoothGATTService.idl

Index: Source/modules/bluetooth/BluetoothGATTService.idl
diff --git a/Source/modules/bluetooth/BluetoothGATTService.idl b/Source/modules/bluetooth/BluetoothGATTService.idl
index ee3037cefddf9f6e441172a10ec8c618f7fbbba5..439d3457b715f43b3adcfae1606a58d9472e1972 100644
--- a/Source/modules/bluetooth/BluetoothGATTService.idl
+++ b/Source/modules/bluetooth/BluetoothGATTService.idl
@@ -6,6 +6,7 @@
 
 // Implement BluetoothGATTService interface: https://crbug.com/483342
 
+typedef DOMString BluetoothCharacteristicUUID;

[Jeffrey Yasskin, 2015/06/03 00:24:04]

Add the same TODO here as you have in GATTRemoteServer, I think.

[ortuno, 2015/06/03 21:57:04]

I have another patch where I implemented some of BluetoothUUID. It seems that we
can't share typedefs across idl files. So we have to define them in all IDL
files :(

[Jeffrey Yasskin, 2015/06/03 23:22:52]

Oh, fun.

 typedef DOMString UUID;
 
 [
@@ -15,7 +16,7 @@ typedef DOMString UUID;
     readonly    attribute UUID            uuid;
     readonly    attribute boolean         isPrimary;
     // readonly    attribute BluetoothDevice device;
-    // Promise<BluetoothGATTCharacteristic>           getCharacteristic(BluetoothCharacteristicUUID characteristic);
+    [CallWith=ScriptState] Promise<BluetoothGATTCharacteristic>           getCharacteristic(BluetoothCharacteristicUUID characteristic);
     // Promise<sequence<BluetoothGATTCharacteristic>> getCharacteristics(optional BluetoothCharacteristicUUID characteristic);
     // Promise<BluetoothGATTService>                  getIncludedService(BluetoothServiceUUID service);
     // Promise<sequence<BluetoothGATTService>>        getIncludedServices(optional BluetoothServiceUUID service);