Implement an initial extension settings API.

chrome/browser/extensions/extension_function_dispatcher.cc

Index: chrome/browser/extensions/extension_function_dispatcher.cc
diff --git a/chrome/browser/extensions/extension_function_dispatcher.cc b/chrome/browser/extensions/extension_function_dispatcher.cc
index bdd979822a5b464aa11baaa5619a77d636525341..4fdd61e78fa4f15da9dc462d81aaf95cb946191d 100644
--- a/chrome/browser/extensions/extension_function_dispatcher.cc
+++ b/chrome/browser/extensions/extension_function_dispatcher.cc
@@ -35,6 +35,7 @@
 #include "chrome/browser/extensions/extension_proxy_api.h"
 #include "chrome/browser/extensions/extension_rlz_module.h"
 #include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_settings_api.h"
 #include "chrome/browser/extensions/extension_sidebar_api.h"
 #include "chrome/browser/extensions/extension_tabs_module.h"
 #include "chrome/browser/extensions/extension_test_api.h"
@@ -363,6 +364,12 @@ void FactoryRegistry::ResetFunctions() {
   RegisterFunction<DetachDebuggerFunction>();
   RegisterFunction<SendRequestDebuggerFunction>();
 
+  // Settings
+  RegisterFunction<GetSettingsFunction>();
+  RegisterFunction<SetSettingsFunction>();
+  RegisterFunction<RemoveSettingsFunction>();
+  RegisterFunction<ClearSettingsFunction>();
+
   // Content settings.
   RegisterFunction<ClearContentSettingsFunction>();
   RegisterFunction<GetContentSettingFunction>();