Move mojo/bindings/js to mojo/edk/js

mojo/edk/js/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-# GYP version: mojo/mojo.gyp:mojo_js_bindings
 source_set("js") {
   sources = [
     "core.cc",
     "core.h",
     "drain_data.cc",
     "drain_data.h",
     "handle.cc",
     "handle.h",
     "handle_close_observer.h",
     "support.cc",
     "support.h",
     "waiting_callback.cc",
     "waiting_callback.h",
   ]
 
   public_deps = [
     "//base",
     "//gin",
     "//mojo/common",
     "//v8",
   ]
 }
+
+source_set("js_unittests") {
+  testonly = true
+  deps = [

[jamesr, 2014/11/05 23:25:57]

nit: one line

+    "//mojo/edk/test:test_support",
+  ]
+
+  sources = [
+    "handle_unittest.cc",
+  ]
+}