Mojo: Reimplement unicode.js in JavaScript, remove native implementation.

mojo/apps/js/test/run_apps_js_tests.cc

 // Copyright 2013 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.
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "gin/modules/console.h"
 #include "gin/modules/module_registry.h"
 #include "gin/modules/timer.h"
 #include "gin/test/file_runner.h"
 #include "gin/test/gtest.h"
 #include "mojo/apps/js/bindings/monotonic_clock.h"
 #include "mojo/apps/js/bindings/threading.h"
 #include "mojo/bindings/js/core.h"
-#include "mojo/bindings/js/unicode.h"
 #include "mojo/common/test/test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace js {
 namespace {
 
 class TestRunnerDelegate : public gin::FileRunnerDelegate {
  public:
   TestRunnerDelegate() {
     AddBuiltinModule(gin::Console::kModuleName, gin::Console::GetModule);
     AddBuiltinModule(Core::kModuleName, Core::GetModule);
-    AddBuiltinModule(Unicode::kModuleName, Unicode::GetModule);
     AddBuiltinModule(gin::TimerModule::kName, gin::TimerModule::GetModule);
     AddBuiltinModule(apps::MonotonicClock::kModuleName,
                      apps::MonotonicClock::GetModule);
     AddBuiltinModule(apps::Threading::kModuleName, apps::Threading::GetModule);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestRunnerDelegate);
 };
 
@@ skipping 39 matching lines @@
   RunTest("connection_unittests.js", false);
 }
 
 TEST(JSTest, monotonic_clock) {
   RunTest("monotonic_clock_unittests.js", false);
 }
 
 }  // namespace
 }  // namespace js
 }  // namespace mojo