Fix plug-in identifier for Shockwave and add a unit test.

webkit/plugins/npapi/plugin_list.h

Index: webkit/plugins/npapi/plugin_list.h
diff --git a/webkit/plugins/npapi/plugin_list.h b/webkit/plugins/npapi/plugin_list.h
index 87ea02dfa73a8f2fc2e6bac230014797cd211b03..d01b38f4135a35f0de0e732d5061bb5e00b8a2f2 100644
--- a/webkit/plugins/npapi/plugin_list.h
+++ b/webkit/plugins/npapi/plugin_list.h
@@ -174,6 +174,9 @@ class WEBKIT_PLUGINS_EXPORT PluginList {
   // Computes a list of all plugins to potentially load from all sources.
   void GetPluginPathsToLoad(std::vector<FilePath>* plugin_paths);
 
+  // Returns the list of hardcoded plug-in groups for testing.
+  const std::vector<PluginGroup*>& GetHardcodedPluginGroups() const;
+
   // Clears the internal list of PluginGroups and copies them from the vector.
   void SetPlugins(const std::vector<webkit::WebPluginInfo>& plugins);