Cleanup: Remove unneeded forward declarations in webkit/plugins/.

webkit/plugins/npapi/webplugin_ime_win.cc

 // 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.
 
 #include "webkit/plugins/npapi/webplugin_ime_win.h"
 
 #include <string>
 #include <vector>
 
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/synchronization/lock.h"
 #include "base/utf_string_conversions.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 #include "webkit/plugins/npapi/plugin_constants_win.h"
 #include "webkit/plugins/npapi/plugin_instance.h"
 
 #pragma comment(lib, "imm32.lib")
 
-using WebKit::WebInputEvent;
-using WebKit::WebCompositionEvent;
-
 namespace webkit {
 namespace npapi {
 
 // A critical section that prevents two or more plug-ins from accessing a
 // WebPluginIMEWin instance through our patch function.
 base::LazyInstance<base::Lock,
                    base::LeakyLazyInstanceTraits<base::Lock> >
     g_webplugin_ime_lock = LAZY_INSTANCE_INITIALIZER;
 
 WebPluginIMEWin* WebPluginIMEWin::instance_ = NULL;
@@ skipping 283 matching lines @@
   if (instance->input_type_ != input_type) {
     instance->input_type_ = input_type;
     instance->status_updated_ = true;
   }
 
   return TRUE;
 }
 
 }  // namespace npapi
 }  // namespace webkit