Unify InputMethodIMM32 into InputMethodWin again

ui/base/ime/ime.gypi

 # 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.
 
 {
   'dependencies' : [
     '<(DEPTH)/ui/events/events.gyp:events',
   ],
   'sources': [
     'candidate_window.cc',
@@ skipping 18 matching lines @@
     'infolist_entry.cc',
     'infolist_entry.h',
     'input_method.h',
     'input_method_base.cc',
     'input_method_base.h',
     'input_method_delegate.h',
     'input_method_factory.cc',
     'input_method_factory.h',
     'input_method_chromeos.cc',
     'input_method_chromeos.h',
-    'input_method_imm32.cc',
-    'input_method_imm32.h',
     'input_method_initializer.cc',
     'input_method_initializer.h',
     'input_method_auralinux.cc',
     'input_method_auralinux.h',
     'input_method_minimal.cc',
     'input_method_minimal.h',
     'input_method_observer.h',
     'input_method_win.cc',
     'input_method_win.h',
     'linux/fake_input_method_context.cc',
@@ skipping 56 matching lines @@
       ],
     }],
     ['use_x11==0', {
       'sources!': [
         'composition_text_util_pango.cc',
         'composition_text_util_pango.h',
       ],
     }],
   ],
 }