| Index: webkit/plugins/npapi/plugin_list_win.cc | 
| diff --git a/webkit/plugins/npapi/plugin_list_win.cc b/webkit/plugins/npapi/plugin_list_win.cc | 
| index 324dffb03efdf64c510745ceea1cd366da78dde8..eaa64a7e1e007ddaee90ea9357002b2ef05eddd4 100644 | 
| --- a/webkit/plugins/npapi/plugin_list_win.cc | 
| +++ b/webkit/plugins/npapi/plugin_list_win.cc | 
| @@ -250,7 +250,7 @@ void PluginList::GetPluginDirectories(std::vector<FilePath>* plugin_dirs) { | 
| } | 
|  | 
| void PluginList::LoadPluginsFromDir(const FilePath &path, | 
| -                                    std::vector<WebPluginInfo>* plugins, | 
| +                                    ScopedVector<PluginGroup>* plugin_groups, | 
| std::set<FilePath>* visited_plugins) { | 
| WIN32_FIND_DATA find_file_data; | 
| HANDLE find_handle; | 
| @@ -266,7 +266,7 @@ void PluginList::LoadPluginsFromDir(const FilePath &path, | 
| do { | 
| if (!(find_file_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) { | 
| FilePath filename = path.Append(find_file_data.cFileName); | 
| -      LoadPlugin(filename, plugins); | 
| +      LoadPlugin(filename, plugin_groups); | 
| visited_plugins->insert(filename); | 
| } | 
| } while (FindNextFile(find_handle, &find_file_data) != 0); | 
| @@ -276,7 +276,7 @@ void PluginList::LoadPluginsFromDir(const FilePath &path, | 
| } | 
|  | 
| void PluginList::LoadPluginsFromRegistry( | 
| -    std::vector<WebPluginInfo>* plugins, | 
| +    ScopedVector<PluginGroup>* plugin_groups, | 
| std::set<FilePath>* visited_plugins) { | 
| std::set<FilePath> plugin_dirs; | 
|  | 
| @@ -287,7 +287,7 @@ void PluginList::LoadPluginsFromRegistry( | 
|  | 
| for (std::set<FilePath>::iterator i = plugin_dirs.begin(); | 
| i != plugin_dirs.end(); ++i) { | 
| -    LoadPlugin(*i, plugins); | 
| +    LoadPlugin(*i, plugin_groups); | 
| visited_plugins->insert(*i); | 
| } | 
| } | 
| @@ -335,22 +335,26 @@ bool IsNewerVersion(const std::wstring& a, const std::wstring& b) { | 
| } | 
|  | 
| bool PluginList::ShouldLoadPlugin(const WebPluginInfo& info, | 
| -                                  std::vector<WebPluginInfo>* plugins) { | 
| +                                  ScopedVector<PluginGroup>* plugin_groups) { | 
| // Version check | 
|  | 
| -  for (size_t i = 0; i < plugins->size(); ++i) { | 
| -    std::wstring plugin1 = | 
| -        StringToLowerASCII((*plugins)[i].path.BaseName().ToWStringHack()); | 
| -    std::wstring plugin2 = | 
| -        StringToLowerASCII(info.path.BaseName().ToWStringHack()); | 
| -    if ((plugin1 == plugin2 && HaveSharedMimeType((*plugins)[i], info)) || | 
| -        (plugin1 == kJavaDeploy1 && plugin2 == kJavaDeploy2) || | 
| -        (plugin1 == kJavaDeploy2 && plugin2 == kJavaDeploy1)) { | 
| -      if (!IsNewerVersion((*plugins)[i].version, info.version)) | 
| -        return false;  // We have loaded a plugin whose version is newer. | 
| - | 
| -      plugins->erase(plugins->begin() + i); | 
| -      break; | 
| +  for (size_t i = 0; i < plugin_groups->size(); ++i) { | 
| +    const std::vector<WebPluginInfo>& plugins = | 
| +        (*plugin_groups)[i]->web_plugins_info(); | 
| +    for (size_t j = 0; j < plugins.size(); ++j) { | 
| +      std::wstring plugin1 = | 
| +          StringToLowerASCII(plugins[j].path.BaseName().ToWStringHack()); | 
| +      std::wstring plugin2 = | 
| +          StringToLowerASCII(info.path.BaseName().ToWStringHack()); | 
| +      if ((plugin1 == plugin2 && HaveSharedMimeType(plugins[j], info)) || | 
| +          (plugin1 == kJavaDeploy1 && plugin2 == kJavaDeploy2) || | 
| +          (plugin1 == kJavaDeploy2 && plugin2 == kJavaDeploy1)) { | 
| +        if (!IsNewerVersion(plugins[j].version, info.version)) | 
| +          return false;  // We have loaded a plugin whose version is newer. | 
| + | 
| +        (*plugin_groups)[i]->RemovePlugin(plugins[j].path); | 
| +        break; | 
| +      } | 
| } | 
| } | 
|  | 
| @@ -396,16 +400,24 @@ bool PluginList::ShouldLoadPlugin(const WebPluginInfo& info, | 
| if (dont_load_new_wmp_) | 
| return false; | 
|  | 
| -    for (size_t i = 0; i < plugins->size(); ++i) { | 
| -      if ((*plugins)[i].path.BaseName().value() == kOldWMPPlugin) { | 
| -        plugins->erase(plugins->begin() + i); | 
| -        break; | 
| +    for (size_t i = 0; i < plugin_groups->size(); ++i) { | 
| +      const std::vector<WebPluginInfo>& plugins = | 
| +          (*plugin_groups)[i]->web_plugins_info(); | 
| +      for (size_t j = 0; j < plugins.size(); ++j) { | 
| +        if (plugins[j].path.BaseName().value() == kOldWMPPlugin) { | 
| +          (*plugin_groups)[i]->RemovePlugin(plugins[j].path); | 
| +          break; | 
| +        } | 
| } | 
| } | 
| } else if (filename == kOldWMPPlugin) { | 
| -    for (size_t i = 0; i < plugins->size(); ++i) { | 
| -      if ((*plugins)[i].path.BaseName().value() == kNewWMPPlugin) | 
| -        return false; | 
| +    for (size_t i = 0; i < plugin_groups->size(); ++i) { | 
| +      const std::vector<WebPluginInfo>& plugins = | 
| +          (*plugin_groups)[i]->web_plugins_info(); | 
| +      for (size_t j = 0; j < plugins.size(); ++j) { | 
| +        if (plugins[j].path.BaseName().value() == kNewWMPPlugin) | 
| +          return false; | 
| +      } | 
| } | 
| } | 
|  | 
|  |