fileSystemProvider: First cut at implementing fileSystemProvider API

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 cb031c0f88bf04e100df9518b76ce91e4d0b74e9..cb123499d3712464a9ef95b576837956422bf589 100644
--- a/chrome/renderer/extensions/dispatcher.cc
+++ b/chrome/renderer/extensions/dispatcher.cc
@@ -48,6 +48,7 @@
 #include "chrome/renderer/extensions/feedback_private_custom_bindings.h"
 #include "chrome/renderer/extensions/file_browser_handler_custom_bindings.h"
 #include "chrome/renderer/extensions/file_browser_private_custom_bindings.h"
+#include "chrome/renderer/extensions/file_system_provider_natives.h"
 #include "chrome/renderer/extensions/file_system_natives.h"
 #include "chrome/renderer/extensions/i18n_custom_bindings.h"
 #include "chrome/renderer/extensions/id_generator_custom_bindings.h"
@@ -945,6 +946,9 @@ void Dispatcher::RegisterNativeHandlers(ModuleSystem* module_system,
   module_system->RegisterNativeHandler("webrtc_natives",
       scoped_ptr<NativeHandler>(new WebRtcNativeHandler(context)));
 #endif
+  module_system->RegisterNativeHandler("file_system_provider",
+      scoped_ptr<NativeHandler>(new fileSystemProviderNatives(
+          context)));
 }
 
 void Dispatcher::PopulateSourceMap() {
@@ -991,6 +995,8 @@ void Dispatcher::PopulateSourceMap() {
                              IDR_FILE_BROWSER_PRIVATE_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("fileSystem",
                              IDR_FILE_SYSTEM_CUSTOM_BINDINGS_JS);
+  source_map_.RegisterSource("fileSystemProvider",
+                             IDR_FILE_SYSTEM_PROVIDER_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("i18n", IDR_I18N_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("input.ime", IDR_INPUT_IME_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("mediaGalleries",