This fixes http://code.google.com/p/chromium/issues/detail?id=2846, which is ...

webkit/glue/plugins/plugin_list.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 <algorithm>
 #include <tchar.h>
 
 #include "webkit/glue/plugins/plugin_list.h"
 
 #include "base/command_line.h"
@@ skipping 198 matching lines @@
   }
 
   return true;
 }
 
 void PluginList::LoadInternalPlugins() {
   if (use_internal_activex_shim_) {
     scoped_refptr<PluginLib> new_plugin = PluginLib::CreatePluginLib(
         kActiveXShimFileName);
     plugins_.push_back(new_plugin);
+    
+    new_plugin = PluginLib::CreatePluginLib(
+        kActivexShimFileNameForMediaPlayer);
+    plugins_.push_back(new_plugin);
   }
 }
 
 int PluginList::FindPluginFile(const std::wstring& filename) {
   for (size_t i = 0; i < plugins_.size(); ++i) {
     if (file_util::GetFilenameFromPath(plugins_[i]->plugin_info().file) ==
         filename) {
       return static_cast<int>(i);
     }
   }
@@ skipping 241 matching lines @@
     RegKey key(root_key, reg_path.c_str());
 
     std::wstring path;
     if (key.ReadValue(kRegistryPath, &path))
       LoadPlugin(path);
   }
 }
 
 } // namespace NPAPI