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 2c1fe405c759745b2c3a14ff2e42d9739736b063..571639d7be226f047a4d30c86f28f18bc289cd5a 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"
@@ -365,6 +366,12 @@ void FactoryRegistry::ResetFunctions() {
   RegisterFunction<DetachDebuggerFunction>();
   RegisterFunction<SendRequestDebuggerFunction>();
 
+  // Settings
+  RegisterFunction<GetSettingsFunction>();
+  RegisterFunction<SetSettingsFunction>();
+  RegisterFunction<RemoveSettingsFunction>();
+  RegisterFunction<ClearSettingsFunction>();
+
   // Content settings.
   RegisterFunction<GetResourceIdentifiersFunction>();
   RegisterFunction<ClearContentSettingsFunction>();