wayland-protocols: Add device_configuration_exists error to zcr_keyboard_configuration_v1 interface.

third_party/wayland-protocols/unstable/keyboard/keyboard-configuration-unstable-v1.xml

Index: third_party/wayland-protocols/unstable/keyboard/keyboard-configuration-unstable-v1.xml
diff --git a/third_party/wayland-protocols/unstable/keyboard/keyboard-configuration-unstable-v1.xml b/third_party/wayland-protocols/unstable/keyboard/keyboard-configuration-unstable-v1.xml
index 6acd844fa6eeebd1d9404d424bde060ab03f12e0..38c7c38b66fcb9dfd1a0ab7e16603e9b40aced08 100644
--- a/third_party/wayland-protocols/unstable/keyboard/keyboard-configuration-unstable-v1.xml
+++ b/third_party/wayland-protocols/unstable/keyboard/keyboard-configuration-unstable-v1.xml
@@ -24,7 +24,7 @@
     DEALINGS IN THE SOFTWARE.
   </copyright>
 
-  <interface name="zcr_keyboard_configuration_v1" version="1">
+  <interface name="zcr_keyboard_configuration_v1" version="2">
     <description summary="extends wl_keyboard with events for device configuration change">
       Allows a wl_keyboard to notify device configuration change events of
       the keyboard to the client.
@@ -39,10 +39,17 @@
       interface version number is reset.
     </description>
 
+    <enum name="error">
+      <entry name="device_configuration_exists" value="0"
+             summary="the keyboard already has a device configuration object associated"/>
+    </enum>
+
     <request name="get_keyboard_device_configuration">
       <description summary="get keyboard_device_configuration interface for a keyboard">
         Create keyboard_device_configuration object.
         See zcr_keyboard_device_configuration interface for details.
+        If the given wl_keyboard object already has a security object associated,

[reveman, 2016/12/12 11:49:31]

s/security/device configuration/

[yhanada, 2016/12/12 15:42:34]

Done.

+        the keyboard_device_configuration_exists protocol error is raised.
       </description>
       <arg name="id" type="new_id" interface="zcr_keyboard_device_configuration_v1"/>
       <arg name="keyboard" type="object" interface="wl_keyboard"/>