Fix painting problem with transparent plugins because plugins were ignoring t...

webkit/glue/plugins/plugin_instance.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/plugin_instance.h"
 
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "base/thread_local_storage.h"
 #include "webkit/glue/glue_util.h"
@@ skipping 18 matching lines @@
       host_(PluginHost::Singleton()),
       npp_functions_(plugin->functions()),
       hwnd_(0),
       windowless_(false),
       transparent_(true),
       mime_type_(mime_type),
       webplugin_(0),
       use_mozilla_user_agent_(false),
       message_loop_(MessageLoop::current()),
       load_manually_(false),
-      throttle_invalidate_(false),
       get_notify_data_(NULL),
       in_close_streams_(false) {
   npp_ = new NPP_t();
   npp_->ndata = 0;
   npp_->pdata = 0;
 
   memset(&zero_padding_, 0, sizeof(zero_padding_));
   DCHECK(message_loop_);
 }
 
@@ skipping 430 matching lines @@
           plugin_stream,
           plugin_stream->notify_needed(), 
           plugin_stream->notify_data());
       break;
     }
   }
 }
 
 }  // namespace NPAPI