linux: fix windowless Flash when scrolling

webkit/glue/webplugin_delegate.h

 // 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.
 
 #ifndef WEBKIT_GLUE_WEBPLUGIN_DELEGATE_H_
 #define WEBKIT_GLUE_WEBPLUGIN_DELEGATE_H_
 
 #include <string>
 
 #include "base/gfx/native_widget_types.h"
@@ skipping 22 matching lines @@
   enum PluginQuirks {
     PLUGIN_QUIRK_SETWINDOW_TWICE = 1,  // Win32
     PLUGIN_QUIRK_THROTTLE_WM_USER_PLUS_ONE = 2,  // Win32
     PLUGIN_QUIRK_DONT_CALL_WND_PROC_RECURSIVELY = 4,  // Win32
     PLUGIN_QUIRK_DONT_SET_NULL_WINDOW_HANDLE_ON_DESTROY = 8,  // Win32
     PLUGIN_QUIRK_DONT_ALLOW_MULTIPLE_INSTANCES = 16,  // Win32
     PLUGIN_QUIRK_DIE_AFTER_UNLOAD = 32,  // Win32
     PLUGIN_QUIRK_PATCH_SETCURSOR = 64,  // Win32
     PLUGIN_QUIRK_BLOCK_NONSTANDARD_GETURL_REQUESTS = 128,  // Win32
     PLUGIN_QUIRK_WINDOWLESS_OFFSET_WINDOW_TO_DRAW = 256,  // Linux
+    PLUGIN_QUIRK_WINDOWLESS_INVALIDATE_AFTER_SET_WINDOW = 512,  // Linux
   };
 
   WebPluginDelegate() {}
   virtual ~WebPluginDelegate() {}
 
   static WebPluginDelegate* Create(const FilePath& filename,
                                    const std::string& mime_type,
                                    gfx::PluginWindowHandle containing_view);
 
   // Initializes the plugin implementation with the given (UTF8) arguments.
@@ skipping 93 matching lines @@
   virtual const gfx::Rect& GetClipRect() const;
 
   // Returns a combination of PluginQuirks.
   virtual int GetQuirks() const;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebPluginDelegate);
 };
 
 #endif  // #ifndef WEBKIT_GLUE_WEBPLUGIN_DELEGATE_H_