Fix a crash seen in Desktop Chrome Windows while displaying a bubble

ui/base/ime/input_method_win.h

 // Copyright (c) 2011 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 UI_BASE_IME_INPUT_METHOD_WIN_H_
 #define UI_BASE_IME_INPUT_METHOD_WIN_H_
 
 #include <windows.h>
 
 #include <string>
@@ skipping 123 matching lines @@
   // True when an IME should be allowed to process key events.
   bool enabled_;
 
   // True if we know for sure that a candidate window is open.
   bool is_candidate_popup_open_;
 
   // Window handle where composition is on-going. NULL when there is no
   // composition.
   HWND composing_window_handle_;
 
+  // Set to false initially. Tracks whether the IME has been initialized with
+  // the current input language.
+  bool default_input_language_initialized_;
+
   DISALLOW_COPY_AND_ASSIGN(InputMethodWin);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_IME_INPUT_METHOD_WIN_H_