cryptohome: Add stub functions to query PKCS11 set up status

cryptohome.xml

 <?xml version="1.0" encoding="UTF-8" ?>
 <!-- COPYRIGHT HERE

[Greg Spencer (Chromium), 2011/04/08 20:21:45]

Doesn't this have to actually have copyright text?

[kmixter1, 2011/04/08 21:04:14]

Done.

      dbus-binding-tool -mode=glib-server -prefix=cryptohome cryptohome.xml
                         > bindings/server.h
 -->
 <node name="/org/chromium/">
   <interface name="org.chromium.CryptohomeInterface">
     <annotation name="org.freedesktop.DBus.GLib.CSymbol"
                 value="cryptohome"/>
     <method name="IsMounted">
       <arg type="b" name="is_mounted" direction="out" />
     </method>
@@ skipping 81 matching lines @@
     <method name="TpmIsOwned">
       <arg type="b" name="owned" direction="out" />
     </method>
     <method name="TpmIsBeingOwned">
       <arg type="b" name="owning" direction="out" />
     </method>
     <method name="TpmCanAttemptOwnership">
     </method>
     <method name="TpmClearStoredPassword">
     </method>
+    <method name="Pkcs11IsReady">
+      <arg type="b" name="ready" direction="out" />
+    </method>
+    <method name="Pkcs11GetTpmTokenInfo">
+      <arg type="s" name="label" direction="out" />
+      <arg type="s" name="so_pin" direction="out" />

[gauravsh, 2011/04/08 21:37:35]

update testing instructions in the issue description since you removed this.

[kmixter1, 2011/04/08 21:56:39]

Done.

+      <arg type="s" name="user_pin" direction="out" />
+    </method>
     <method name="GetStatusString">
       <arg type="s" name="status" direction="out" />
     </method>
     <signal name="TpmInitStatus">
       <arg type="b" name="ready" />
       <arg type="b" name="owned" />
       <arg type="b" name="was_owned_this_boot" />
     </signal>
     <signal name="AsyncCallStatus">
       <arg type="i" name="async_id" />
       <arg type="b" name="return_status" />
       <arg type="i" name="return_code" />
     </signal>
   </interface>
 </node>