try 3 of: Split out InputMethodMenuManager from InputMethodManager.

chrome/browser/chromeos/input_method/input_method_engine.cc

Index: chrome/browser/chromeos/input_method/input_method_engine.cc
diff --git a/chrome/browser/chromeos/input_method/input_method_engine.cc b/chrome/browser/chromeos/input_method/input_method_engine.cc
index ff298c6b01e7e23a6831d7d3188a0fc9481b5315..b32a8a89a0c2c215e0bd3c113e075e70aff83ae9 100644
--- a/chrome/browser/chromeos/input_method/input_method_engine.cc
+++ b/chrome/browser/chromeos/input_method/input_method_engine.cc
@@ -14,6 +14,8 @@
 #undef RootWindow
 #include <map>
 
+#include "ash/ime/input_method_menu_item.h"
+#include "ash/ime/input_method_menu_manager.h"
 #include "ash/shell.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ -375,19 +377,17 @@ bool InputMethodEngine::UpdateMenuItems(
   if (!active_)
     return false;
 
-  input_method::InputMethodPropertyList property_list;
+  ash::ime::InputMethodMenuItemList menu_item_list;
   for (std::vector<MenuItem>::const_iterator item = items.begin();
        item != items.end(); ++item) {
-    input_method::InputMethodProperty property;
+    ash::ime::InputMethodMenuItem property;
     MenuItemToProperty(*item, &property);
-    property_list.push_back(property);
+    menu_item_list.push_back(property);
   }
 
-  input_method::InputMethodManager* manager =
-      input_method::InputMethodManager::Get();
-  if (manager)
-    manager->SetCurrentInputMethodProperties(property_list);
-
+  ash::ime::InputMethodMenuManager::GetInstance()->
+      SetCurrentInputMethodMenuItemList(
+          menu_item_list);
   return true;
 }
 
@@ -595,9 +595,10 @@ void InputMethodEngine::SetSurroundingText(const std::string& text,
                                       static_cast<int>(anchor_pos));
 }
 
+// TODO(uekawa): rename this method to a more reasonable name.
 void InputMethodEngine::MenuItemToProperty(
     const MenuItem& item,
-    input_method::InputMethodProperty* property) {
+    ash::ime::InputMethodMenuItem* property) {
   property->key = item.id;
 
   if (item.modified & MENU_ITEM_MODIFIED_LABEL) {