Add a simple one shot and repeating timer API for Mojo.js.

gin/function_template.h

 // This file was GENERATED by command:
 //     pump.py function_template.h.pump
 // DO NOT EDIT BY HAND!!!
 
 
 
 #ifndef GIN_FUNCTION_TEMPLATE_H_
 #define GIN_FUNCTION_TEMPLATE_H_
 
 // Copyright 2013 The Chromium Authors. All rights reserved.
@@ skipping 161 matching lines @@
       const P1& a1) {
     callback.Run(a1);
   }
 };
 
 template<typename R>
 struct Invoker<R, void, void, void, void> {
   inline static void Go(
       Arguments* args,
       const base::Callback<R()>& callback) {
-    args->Return(callback.Run());
+    R r = callback.Run();
+    LOG(ERROR) << "Setting return value to: " << r;
+    args->Return(r);
   }
 };
 template<>
 struct Invoker<void, void, void, void, void> {
   inline static void Go(
       Arguments* args,
       const base::Callback<void()>& callback) {
     callback.Run();
   }
 };
@@ skipping 10 matching lines @@
 }
 
 // For advanced use cases, we allow callers to request the unparsed Arguments
 // object and poke around in it directly.
 inline bool GetNextArgument(Arguments* args, int create_flags, bool is_first,
                             Arguments* result) {
   *result = *args;
   return true;
 }
 
+// It's common for clients to just need the isolate, so we make that easy.
+inline bool GetNextArgument(Arguments* args, int create_flags,
+                            bool is_first, v8::Isolate** result) {
+  *result = args->isolate();
+  return true;
+}
+
 
 // DispatchToCallback converts all the JavaScript arguments to C++ types and
 // invokes the base::Callback.
 template<typename Sig>
 struct Dispatcher {
 };
 
 template<typename R>
 struct Dispatcher<R()> {
   static void DispatchToCallback(
@@ skipping 121 matching lines @@
       isolate, new HolderT(callback, callback_flags));
   return v8::FunctionTemplate::New(
       isolate,
       &internal::Dispatcher<Sig>::DispatchToCallback,
       ConvertToV8<internal::CallbackHolderBase*>(isolate, holder.get()));
 }
 
 }  // namespace gin
 
 #endif  // GIN_FUNCTION_TEMPLATE_H_