Merge upstream version of wayland-drm.xml and include autogenerated files in chromium_gensrc.

src/egl/wayland/wayland-drm/wayland-drm.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <protocol name="drm">
 
   <copyright>
     Copyright © 2008-2011 Kristian Høgsberg
     Copyright © 2010-2011 Intel Corporation
 
     Permission to use, copy, modify, distribute, and sell this
     software and its documentation for any purpose is hereby granted
     without fee, provided that\n the above copyright notice appear in
@@ skipping 11 matching lines @@
     FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
     SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
     AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
     ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
     THIS SOFTWARE.
   </copyright>
 
   <!-- drm support. This object is created by the server and published
        using the display's global event. -->
-  <interface name="wl_drm" version="1">
+  <interface name="wl_drm" version="2">
     <enum name="error">
       <entry name="authenticate_fail" value="0"/>
       <entry name="invalid_format" value="1"/>
       <entry name="invalid_name" value="2"/>
     </enum>
 
     <enum name="format">
       <!-- The drm format codes match the #defines in drm_fourcc.h.
            The formats actually supported by the compositor will be
            reported by the format event. -->
@@ skipping 100 matching lines @@
     <event name="device">
       <arg name="name" type="string"/>
     </event>
 
     <event name="format">
       <arg name="format" type="uint"/>
     </event>
 
     <!-- Raised if the authenticate request succeeded -->
     <event name="authenticated"/>
+
+    <enum name="capability" since="2">
+      <description summary="wl_drm capability bitmask">
+        Bitmask of capabilities.
+      </description>
+      <entry name="prime" value="1" summary="wl_drm prime available"/>
+    </enum>
+
+    <event name="capabilities">
+      <arg name="value" type="uint"/>
+    </event>
+
+    <!-- Version 2 additions -->
+
+    <!-- Create a wayland buffer for the prime fd.  Use for regular and planar
+         buffers.  Pass 0 for offset and stride for unused planes. -->
+    <request name="create_prime_buffer" since="2">
+      <arg name="id" type="new_id" interface="wl_buffer"/>
+      <arg name="name" type="fd"/>
+      <arg name="width" type="int"/>
+      <arg name="height" type="int"/>
+      <arg name="format" type="uint"/>
+      <arg name="offset0" type="int"/>
+      <arg name="stride0" type="int"/>
+      <arg name="offset1" type="int"/>
+      <arg name="stride1" type="int"/>
+      <arg name="offset2" type="int"/>
+      <arg name="stride2" type="int"/>
+    </request>
+
   </interface>
 
 </protocol>