Eliminate remaining WebCore dependencies from webplugin_impl.cc...

webkit/glue/plugins/webplugin_delegate_impl_gtk.cc

 // Copyright (c) 2006-2008 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/glue/plugins/webplugin_delegate_impl.h"
 
 #include <string>
 #include <vector>
 
 #include <gtk/gtk.h>
@@ skipping 66 matching lines @@
     // We only ever use ws_info as an NPSetWindowCallbackStruct.
     delete static_cast<NPSetWindowCallbackStruct*>(window_.ws_info);
   }
 
   if (pixmap_) {
     g_object_unref(pixmap_);
     pixmap_ = NULL;
   }
 }
 
-void WebPluginDelegateImpl::PlatformInitialize(WebPlugin* plugin) {
+void WebPluginDelegateImpl::PlatformInitialize() {
   gfx::PluginWindowHandle handle =
       windowless_ ? 0 : gtk_plug_get_id(GTK_PLUG(plug_));
-  plugin->SetWindow(handle);
+  plugin_->SetWindow(handle);
 }
 
 void WebPluginDelegateImpl::PlatformDestroyInstance() {
   // Nothing to do here.
 }
 
 void WebPluginDelegateImpl::PluginDestroyed() {
   delete this;
 }
 
@@ skipping 599 matching lines @@
   if (event->event == WM_MOUSEMOVE) {
     // Snag a reference to the current cursor ASAP in case the plugin modified
     // it. There is a nasty race condition here with the multiprocess browser
     // as someone might be setting the cursor in the main process as well.
     *cursor = current_windowless_cursor_;
   }
 #endif
 
   return ret;
 }