Modified the pepper file chooser API to support filtering files by extensions.

ppapi/cpp/dev/file_chooser_dev.cc

Index: ppapi/cpp/dev/file_chooser_dev.cc
diff --git a/ppapi/cpp/dev/file_chooser_dev.cc b/ppapi/cpp/dev/file_chooser_dev.cc
index a773def12066756c1a69000b2b3824421d6f59f8..66806dbc67daa6f631f80faa526e93c1601fd1cc 100644
--- a/ppapi/cpp/dev/file_chooser_dev.cc
+++ b/ppapi/cpp/dev/file_chooser_dev.cc
@@ -30,13 +30,13 @@ template <> const char* interface_name<PPB_FileChooser_Dev_0_6>() {
 
 FileChooser_Dev::FileChooser_Dev(const InstanceHandle& instance,
                                  PP_FileChooserMode_Dev mode,
-                                 const Var& accept_mime_types) {
+                                 const Var& accept_types) {
   if (has_interface<PPB_FileChooser_Dev_0_6>()) {
     PassRefFromConstructor(get_interface<PPB_FileChooser_Dev_0_6>()->Create(
-        instance.pp_instance(), mode, accept_mime_types.pp_var()));
+        instance.pp_instance(), mode, accept_types.pp_var()));
   } else if (has_interface<PPB_FileChooser_Dev_0_5>()) {
     PassRefFromConstructor(get_interface<PPB_FileChooser_Dev_0_5>()->Create(
-        instance.pp_instance(), mode, accept_mime_types.pp_var()));
+        instance.pp_instance(), mode, accept_types.pp_var()));
   }
 }