Adds plumbing to pass WebUI mojo::Handle from browser to renderer

mojo/public/bindings/js/constants.cc

Index: mojo/public/bindings/js/constants.cc
diff --git a/mojo/environment/default_async_waiter.cc b/mojo/public/bindings/js/constants.cc
similarity index 50%
copy from mojo/environment/default_async_waiter.cc
copy to mojo/public/bindings/js/constants.cc
index 7a46c0798d8df1e9037c5e7db30a1b1226d567eb..d1f665749e6bc1f59065a2ea114290016207ed90 100644
--- a/mojo/environment/default_async_waiter.cc
+++ b/mojo/public/bindings/js/constants.cc
@@ -2,14 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "mojo/public/environment/default_async_waiter.h"
-
-#include "mojo/environment/default_async_waiter_impl.h"
+#include "mojo/public/bindings/js/constants.h"
 
 namespace mojo {
 
-MojoAsyncWaiter* GetDefaultAsyncWaiter() {
-  return internal::GetDefaultAsyncWaiterImpl();
-}
+const char kCodecModuleName[] = "mojo/public/bindings/js/codec";
+const char kConnectorModuleName[] = "mojo/public/bindings/js/connector";
 
 }  // namespace mojo