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 851795aa77e9490fa94513c98c969922901d7cce..bd523cb1c24e050a33805095d7f67c1a536bf220 100644
--- a/chrome/browser/extensions/extension_function_dispatcher.cc
+++ b/chrome/browser/extensions/extension_function_dispatcher.cc
@@ -38,6 +38,7 @@
 #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"
@@ -395,6 +396,12 @@ void FactoryRegistry::ResetFunctions() {
   RegisterFunction<DetachDebuggerFunction>();
   RegisterFunction<SendRequestDebuggerFunction>();
 
+  // Settings
+  RegisterFunction<GetSettingsFunction>();
+  RegisterFunction<SetSettingsFunction>();
+  RegisterFunction<RemoveSettingsFunction>();
+  RegisterFunction<ClearSettingsFunction>();
+
   // Content settings.
   RegisterFunction<GetResourceIdentifiersFunction>();
   RegisterFunction<ClearContentSettingsFunction>();