Implement chrome.downloads.onDeterminingFilename()

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 930cb5d568e4bfc8812c9d484c4820e8c8efeaf5..8df1a6ae0a378bb4892a95b252d80d7a1e660a10 100644
--- a/chrome/renderer/extensions/dispatcher.cc
+++ b/chrome/renderer/extensions/dispatcher.cc
@@ -593,8 +593,6 @@ void Dispatcher::RegisterNativeHandlers(ModuleSystem* module_system,
   module_system->RegisterNativeHandler("extension",
       scoped_ptr<NativeHandler>(
           new ExtensionCustomBindings(this)));
-  module_system->RegisterNativeHandler("sync_file_system",
-      scoped_ptr<NativeHandler>(new SyncFileSystemCustomBindings()));
   module_system->RegisterNativeHandler("file_browser_handler",
       scoped_ptr<NativeHandler>(new FileBrowserHandlerCustomBindings()));
   module_system->RegisterNativeHandler("file_browser_private",
@@ -610,6 +608,8 @@ void Dispatcher::RegisterNativeHandlers(ModuleSystem* module_system,
       scoped_ptr<NativeHandler>(new PageCaptureCustomBindings()));
   module_system->RegisterNativeHandler("runtime",
       scoped_ptr<NativeHandler>(new RuntimeCustomBindings(context)));
+  module_system->RegisterNativeHandler("sync_file_system",
+      scoped_ptr<NativeHandler>(new SyncFileSystemCustomBindings()));
   module_system->RegisterNativeHandler("tabs",
       scoped_ptr<NativeHandler>(new TabsCustomBindings()));
   module_system->RegisterNativeHandler("tts",
@@ -655,6 +655,8 @@ void Dispatcher::PopulateSourceMap() {
                              IDR_DECLARATIVE_CONTENT_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("declarativeWebRequest",
                              IDR_DECLARATIVE_WEBREQUEST_CUSTOM_BINDINGS_JS);
+  source_map_.RegisterSource("downloads",
+                             IDR_DOWNLOADS_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource(
       "experimental.mediaGalleries",
       IDR_EXPERIMENTAL_MEDIA_GALLERIES_CUSTOM_BINDINGS_JS);