Clean Up: Remove ibus namespace.

chromeos/dbus/ibus/ibus_lookup_table.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROMEOS_DBUS_IBUS_IBUS_LOOKUP_TABLE_H_
 #define CHROMEOS_DBUS_IBUS_IBUS_LOOKUP_TABLE_H_
 
 #include <string>
 #include <vector>
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "chromeos/chromeos_export.h"
 
 namespace dbus {
 class MessageWriter;
 class MessageReader;
 }  // namespace dbus
 
 namespace chromeos {
-// TODO(nona): Remove ibus namespace after complete libibus removal.
-namespace ibus {
 
 // The IBusLookupTable is one of IBusObjects. IBusLookupTable contains IBusTexts
 // but all of them are used as plain string. The overview of each data
 // structure is as follows:
 //
 // DATA STRUCTURE OVERVIEW:
 //  variant  struct {
 //   string "IBusLookupTable"
 //   array [
 //     dict_entry (
@@ skipping 112 matching lines @@
   uint32 page_size_;
   uint32 cursor_position_;
   bool is_cursor_visible_;
   Orientation orientation_;
   std::vector<Entry> candidates_;
   bool show_window_at_composition_;
 
   DISALLOW_COPY_AND_ASSIGN(IBusLookupTable);
 };
 
-}  // namespace ibus
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_IBUS_IBUS_LOOKUP_TABLE_H_