Fix media player painting bug.

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 32 matching lines @@
       windowed_did_set_window_(false),
       windowless_(false),
       plugin_(NULL),
       instance_(instance),
       pixmap_(NULL),
       first_event_time_(-1.0),
       plug_(NULL),
       socket_(NULL),
       parent_(containing_view),
       quirks_(0),
-      handle_event_depth_(0) {
+      handle_event_depth_(0),
+      first_set_window_call_(true) {
   memset(&window_, 0, sizeof(window_));
   if (instance_->mime_type() == "application/x-shockwave-flash") {
     // Flash is tied to Firefox's whacky behavior with windowless plugins. See
     // comments in WindowlessPaint.
     // TODO(viettrungluu): PLUGIN_QUIRK_WINDOWLESS_NO_RIGHT_CLICK: Don't allow
     // right-clicks in windowless content since Flash 10.1 (initial release, at
     // least) hangs in that case. Remove this once Flash is fixed.
     quirks_ |= PLUGIN_QUIRK_WINDOWLESS_OFFSET_WINDOW_TO_DRAW
         | PLUGIN_QUIRK_WINDOWLESS_INVALIDATE_AFTER_SET_WINDOW
         | PLUGIN_QUIRK_WINDOWLESS_NO_RIGHT_CLICK;
@@ skipping 637 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;
 }