Load extension plugins before looking for plugins in other places, e.g....

webkit/glue/plugins/plugin_list.cc

Index: webkit/glue/plugins/plugin_list.cc
===================================================================
--- webkit/glue/plugins/plugin_list.cc	(revision 20177)
+++ webkit/glue/plugins/plugin_list.cc	(working copy)
@@ -159,16 +159,16 @@
   std::vector<FilePath> directories_to_scan;
   GetPluginDirectories(&directories_to_scan);
 
-  for (size_t i = 0; i < directories_to_scan.size(); ++i) {
-    LoadPluginsFromDir(directories_to_scan[i]);
-  }
+  for (size_t i = 0; i < extra_plugin_paths_.size(); ++i)
+    LoadPlugin(extra_plugin_paths_[i]);
 
   for (size_t i = 0; i < extra_plugin_dirs_.size(); ++i) {
     LoadPluginsFromDir(extra_plugin_dirs_[i]);
   }
 
-  for (size_t i = 0; i < extra_plugin_paths_.size(); ++i)
-    LoadPlugin(extra_plugin_paths_[i]);
+  for (size_t i = 0; i < directories_to_scan.size(); ++i) {
+    LoadPluginsFromDir(directories_to_scan[i]);
+  }
 
   LoadInternalPlugins();