Revert of Remove a bunch of NPAPI quirks and related support code

content/content_child.gypi

 # Copyright 2013 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': [
     '../base/base.gyp:base',
     '../components/mime_util/mime_util.gyp:mime_util',
     '../components/scheduler/scheduler.gyp:scheduler',
     '../components/tracing.gyp:tracing',
@@ skipping 162 matching lines @@
       'child/npapi/plugin_web_event_converter_mac.mm',
       'child/npapi/webplugin.h',
       'child/npapi/webplugin_accelerated_surface_mac.h',
       'child/npapi/webplugin_delegate.h',
       'child/npapi/webplugin_delegate_impl.cc',
       'child/npapi/webplugin_delegate_impl.h',
       'child/npapi/webplugin_delegate_impl_android.cc',
       'child/npapi/webplugin_delegate_impl_aura.cc',
       'child/npapi/webplugin_delegate_impl_mac.mm',
       'child/npapi/webplugin_delegate_impl_win.cc',
+      'child/npapi/webplugin_ime_win.cc',
+      'child/npapi/webplugin_ime_win.h',
       'child/npapi/webplugin_resource_client.h',
       'child/permissions/permission_dispatcher.cc',
       'child/permissions/permission_dispatcher.h',
       'child/permissions/permission_dispatcher_thread_proxy.cc',
       'child/permissions/permission_dispatcher_thread_proxy.h',
       'child/permissions/permission_observers_registry.cc',
       'child/permissions/permission_observers_registry.h',
       'child/plugin_message_generator.cc',
       'child/plugin_message_generator.h',
       'child/plugin_messages.h',
@@ skipping 123 matching lines @@
         'child/npapi/webplugin_delegate_impl_mac.mm',
       ],
     }],
     ['OS=="win"', {
       'sources!': [
         'child/npapi/webplugin_delegate_impl_aura.cc',
       ],
     }],
   ],
 }