Some minor cleanup in WebBindings.{h,cpp}

webkit/api/src/WebBindings.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 237 matching lines @@
     else if (eventType == names.dragoverEvent)
         *eventId = DragOverId;
     else if (eventType == names.dragleaveEvent)
         *eventId = DragLeaveId;
     else if (eventType == names.dropEvent)
         *eventId = DropId;
     else
         return false;
 
     // Drag events are mouse events and should have a clipboard.
-    MouseEvent* me = reinterpret_cast<MouseEvent*>(event);
+    MouseEvent* me = static_cast<MouseEvent*>(event);
     Clipboard* clipboard = me->clipboard();
     if (!clipboard)
         return false;
 
     // And that clipboard should be accessible by WebKit policy.
-    ClipboardChromium* chrome = reinterpret_cast<ClipboardChromium*>(clipboard);
+    ClipboardChromium* chrome = static_cast<ClipboardChromium*>(clipboard);
     HashSet<String> accessible(chrome->types());
     if (accessible.isEmpty())
         return false;
 
     RefPtr<ChromiumDataObject> dataObject(chrome->dataObject());
     if (dataObject && data)
         *data = WebDragData(dataObject);
 
     return dataObject != NULL;
 }
@@ skipping 10 matching lines @@
 #endif
 }
 
 bool WebBindings::isDragEvent(NPObject* event)
 {
     int eventId;
     return getDragData(event, &eventId, NULL);
 }
 
 } // namespace WebKit