Take notification API out of experimental.

chrome/renderer/extensions/dispatcher.cc

Index: chrome/renderer/extensions/dispatcher.cc
diff --git a/chrome/renderer/extensions/dispatcher.cc b/chrome/renderer/extensions/dispatcher.cc
index 248b4f61aecd2760a0212afe7e6ca9200b92ced2..299f3218ce8cffff772f324956507a7f191e2be4 100644
--- a/chrome/renderer/extensions/dispatcher.cc
+++ b/chrome/renderer/extensions/dispatcher.cc
@@ -798,8 +798,6 @@ void Dispatcher::PopulateSourceMap() {
       IDR_EXPERIMENTAL_MEDIA_GALLERIES_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("experimental.offscreen",
                              IDR_EXPERIMENTAL_OFFSCREENTABS_CUSTOM_BINDINGS_JS);
-  source_map_.RegisterSource("experimental.notification",
-                             IDR_NOTIFICATION_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("extension", IDR_EXTENSION_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("fileBrowserHandler",
                              IDR_FILE_BROWSER_HANDLER_CUSTOM_BINDINGS_JS);
@@ -811,6 +809,8 @@ void Dispatcher::PopulateSourceMap() {
   source_map_.RegisterSource("input.ime", IDR_INPUT_IME_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("mediaGalleries",
                              IDR_MEDIA_GALLERIES_CUSTOM_BINDINGS_JS);
+  source_map_.RegisterSource("notifications",
+                             IDR_NOTIFICATIONS_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("omnibox", IDR_OMNIBOX_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("pageActions",
                              IDR_PAGE_ACTIONS_CUSTOM_BINDINGS_JS);