aura: Require explicit ownership of the Env instance.

ui/views/mus/window_manager_connection.cc

 // Copyright 2015 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/views/mus/window_manager_connection.h"
 
 #include <utility>
 
 #include "base/lazy_instance.h"
 #include "base/threading/thread_local.h"
 #include "components/mus/public/cpp/window_tree_connection.h"
 #include "components/mus/public/interfaces/window_tree.mojom.h"
 #include "mojo/converters/geometry/geometry_type_converters.h"
 #include "mojo/shell/public/cpp/connection.h"
 #include "mojo/shell/public/cpp/connector.h"
+#include "ui/events/devices/device_data_manager.h"
 #include "ui/views/mus/native_widget_mus.h"
 #include "ui/views/mus/screen_mus.h"
 #include "ui/views/views_delegate.h"
 
 namespace views {
 namespace {
 
 using WindowManagerConnectionPtr =
     base::ThreadLocalPointer<views::WindowManagerConnection>;
 
@@ skipping 43 matching lines @@
 }
 
 WindowManagerConnection::WindowManagerConnection(mojo::Connector* connector)
     : connector_(connector), window_tree_connection_(nullptr) {
   window_tree_connection_.reset(
       mus::WindowTreeConnection::Create(this, connector_));
 
   screen_.reset(new ScreenMus(this));
   screen_->Init(connector);
 
+  // TODO(sad): We should have a DeviceDataManager implementation that talks to
+  // a mojo service to learn about the input-devices on the system.
+  // http://crbug.com/601981
+  ui::DeviceDataManager::CreateInstance();
+
   ViewsDelegate::GetInstance()->set_native_widget_factory(base::Bind(
       &WindowManagerConnection::CreateNativeWidgetMus,
       base::Unretained(this),
       std::map<std::string, std::vector<uint8_t>>()));
 }
 
 WindowManagerConnection::~WindowManagerConnection() {
   // ~WindowTreeConnection calls back to us (we're the WindowTreeDelegate),
   // destroy it while we are still valid.
   window_tree_connection_.reset();
+
+  ui::DeviceDataManager::DeleteInstance();
 }
 
 void WindowManagerConnection::OnEmbed(mus::Window* root) {}
 
 void WindowManagerConnection::OnConnectionLost(
     mus::WindowTreeConnection* connection) {}
 
 void WindowManagerConnection::OnWindowManagerFrameValuesChanged() {
   if (window_tree_connection_)
     NativeWidgetMus::NotifyFrameChanged(window_tree_connection_.get());
 }
 
 }  // namespace views