Move Mus into chrome's process when running with --mus.

ui/aura/env.cc

 // Copyright (c) 2012 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 "ui/aura/env.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/memory/ptr_util.h"
 #include "base/threading/thread_local.h"
@@ skipping 52 matching lines @@
 std::unique_ptr<Env> Env::CreateInstance(Mode mode) {
   DCHECK(!lazy_tls_ptr.Pointer()->Get());
   std::unique_ptr<Env> env(new Env(mode));
   env->Init();
   return env;
 }
 
 // static
 Env* Env::GetInstance() {
   Env* env = lazy_tls_ptr.Pointer()->Get();
-  DCHECK(env) << "Env::CreateInstance must be called before getting the "
+  DCHECK(env) << "~~Env::CreateInstance must be called before getting the "

[sky, 2017/06/27 19:58:57]

remove ~~?

[mfomitchev, 2017/07/11 21:47:00]

Oops. Done.

                  "instance of Env.";
   return env;
 }
 
 // static
 Env* Env::GetInstanceDontCreate() {
   return lazy_tls_ptr.Pointer()->Get();
 }
 
 std::unique_ptr<WindowPort> Env::CreateWindowPort(Window* window) {
@@ skipping 146 matching lines @@
 ui::EventTargeter* Env::GetEventTargeter() {
   NOTREACHED();
   return NULL;
 }
 
 std::unique_ptr<ui::OSExchangeData::Provider> Env::BuildProvider() {
   return base::MakeUnique<aura::OSExchangeDataProviderMus>();
 }
 
 }  // namespace aura