Use name to sort IDB interfaces into the indexed_db library.

tools/dom/scripts/htmlrenamer.py

Index: tools/dom/scripts/htmlrenamer.py
diff --git a/tools/dom/scripts/htmlrenamer.py b/tools/dom/scripts/htmlrenamer.py
index 1a9421f0954b7ec5ff37a338400513bc33793cfb..2604dd976750786ea9aac84b58abb3ecbd8e23d8 100644
--- a/tools/dom/scripts/htmlrenamer.py
+++ b/tools/dom/scripts/htmlrenamer.py
@@ -704,6 +704,11 @@ class HtmlRenamer(object):
     if interface.id in _library_names:
       return _library_names[interface.id]
 
+    # TODO(ager, blois): The conditional has been removed from indexed db,
+    # so we can no longer determine the library based on the conditionals.
+    if interface.id.startswith("IDB"):

[blois, 2013/04/10 15:45:13]

Ugh. I imagine this is going to happen soon for others soon as well, as Blink
refactoring moves along.

[Mads Ager (google), 2013/04/10 16:10:04]

Yes, I would expect that too. This one is easy based on the names. The other
ones might be harder, but I haven't looked at them.

+      return 'indexed_db'
+
     if 'Conditional' in interface.ext_attrs:
       if 'WEB_AUDIO' in interface.ext_attrs['Conditional']:
         return 'web_audio'