Add usage display support for Extension IME.

chrome/browser/chromeos/input_method/input_method_engine_ibus.cc

 // 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.
 
 #include "chrome/browser/chromeos/input_method/input_method_engine_ibus.h"
 
 #include <map>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 258 matching lines @@
   // TODO: Nested candidates
   candidate_ids_.clear();
   candidate_indexes_.clear();
   table_->mutable_candidates()->clear();
   for (std::vector<Candidate>::const_iterator ix = candidates.begin();
        ix != candidates.end(); ++ix) {
     ibus::IBusLookupTable::Entry entry;
     entry.value = ix->value;
     entry.label = ix->label;
     entry.annotation = ix->annotation;
+    entry.description_title = ix->usage.title;
+    entry.description_body = ix->usage.body;
 
     // Store a mapping from the user defined ID to the candidate index.
     candidate_indexes_[ix->id] = candidate_ids_.size();
     candidate_ids_.push_back(ix->id);
 
     table_->mutable_candidates()->push_back(entry);
   }
   GetCurrentService()->UpdateLookupTable(*table_.get(), table_visible_);
   return true;
 }
@@ skipping 283 matching lines @@
   DBusThreadManager::Get()->RemoveIBusEngineService(object_path_);
 
   current_object_path_++;
   object_path_ = dbus::ObjectPath(kObjectPathPrefix +
                                   base::IntToString(current_object_path_));
   GetCurrentService()->SetEngine(this);
   sender.Run(object_path_);
 }
 
 }  // namespace chromeos