IME refactoring: ChromeOS introduce input methods State.

chromeos/ime/input_method_manager.cc

Index: chromeos/ime/input_method_manager.cc
diff --git a/chromeos/ime/input_method_manager.cc b/chromeos/ime/input_method_manager.cc
index cede581b38b473b57ffc0cfa6a30b70ada019727..c620a9242b9153a2ccdcbb34bea44f8ebb06d0da 100644
--- a/chromeos/ime/input_method_manager.cc
+++ b/chromeos/ime/input_method_manager.cc
@@ -13,6 +13,9 @@ namespace {
 InputMethodManager* g_input_method_manager = NULL;
 }
 
+InputMethodManager::State::~State() {
+}
+
 // static
 InputMethodManager* InputMethodManager::Get() {
   return g_input_method_manager;