Menu item for MozcTool lacks text label in ibus-mozc

What steps will reproduce the problem?
1. Install Mozc 1.15.1824.102 into Fedora 20.
2. Select Mozc from Region & Language.
3. Clock input method selector on the top notification area.

What is the expected output?
"Tools" should be displayed as a parent element of "Properties", "Dictionary 
Tool", and so on.

What do you see instead?
A blank item is displayed as a parent element of "Properties", "Dictionary 
Tool", and so on.  See the attached screen shots.

This is actually a remaining task of Issue 182, but somehow not addressed yet.  
See also Red Hat Bugzilla 920122 
https://bugzilla.redhat.com/show_bug.cgi?id=920122 for the detailed background.

The root cause is the lack of text label in ibus-mozc here.
https://code.google.com/p/mozc/source/browse/trunk/src/unix/ibus/property_handle
r.cc?r=192#275
>  const string icon_path = GetIconPath(kMozcToolIconPath);
>  prop_mozc_tool_ = ibus_property_new("MozcTool",
>                                      PROP_TYPE_MENU,
>                                      NULL /* label */,
>                                      icon_path.c_str(),
>                                      NULL /* tooltip */,
>                                      TRUE /* sensitive */,
>                                      TRUE /* visible */,
>                                      PROP_STATE_UNCHECKED,
>                                      sub_prop_list);

Specifying some text label for this item resolves the issue.

Original issue reported on code.google.com by yukawa@google.com on 5 Jul 2014 at 2:44

Blocked on: #182

Attachments:

axsann / mozc

Menu item for MozcTool lacks text label in ibus-mozc #233