Revert 272472 "Mojo: nuke EnvironmentData"

trunk/src/content/app/mojo/mojo_init.cc

 // 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.
 
 #include "content/app/mojo/mojo_init.h"
 
 #include "base/logging.h"
 #include "mojo/embedder/embedder.h"
+#include "mojo/public/cpp/environment/environment.h"
 #include "mojo/service_manager/service_manager.h"
 
 namespace content {
 
+namespace {
+
+mojo::Environment* environment = NULL;
+
+}  // namespace
+
 void InitializeMojo() {
+  DCHECK(!environment);
+  environment = new mojo::Environment;
   mojo::embedder::Init();
   mojo::ServiceManager::GetInstance();
 }
 
+void ShutdownMojo() {
+  delete environment;
+  environment = NULL;
+}
+
 }  // namespace content