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chrome/browser/chromeos/dbus/mus_console_service_provider_delegate.cc

Index: chrome/browser/chromeos/dbus/mus_console_service_provider_delegate.cc
diff --git a/chrome/browser/chromeos/dbus/mus_console_service_provider_delegate.cc b/chrome/browser/chromeos/dbus/mus_console_service_provider_delegate.cc
new file mode 100644
index 0000000000000000000000000000000000000000..341b96b2044c53c44ee2606aa707adfa775687dd
--- /dev/null
+++ b/chrome/browser/chromeos/dbus/mus_console_service_provider_delegate.cc
@@ -0,0 +1,37 @@
+// Copyright 2017 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 "chrome/browser/chromeos/dbus/mus_console_service_provider_delegate.h"
+
+#include "content/public/common/service_manager_connection.h"
+#include "services/service_manager/public/cpp/connector.h"
+
+namespace chromeos {
+
+MusConsoleServiceProviderDelegate::MusConsoleServiceProviderDelegate() {}
+
+MusConsoleServiceProviderDelegate::~MusConsoleServiceProviderDelegate() {}
+
+void MusConsoleServiceProviderDelegate::TakeDisplayOwnership(
+    const UpdateOwnershipCallback& callback) {
+  ConnectDisplayControllerIfNecessary();
+  display_controller_->TakeDisplayControl(callback);
+}
+
+void MusConsoleServiceProviderDelegate::ReleaseDisplayOwnership(
+    const UpdateOwnershipCallback& callback) {
+  ConnectDisplayControllerIfNecessary();
+  display_controller_->RelinquishDisplayControl(callback);
+}
+
+void MusConsoleServiceProviderDelegate::ConnectDisplayControllerIfNecessary() {
+  if (display_controller_)
+    return;
+
+  content::ServiceManagerConnection::GetForProcess()
+      ->GetConnector()
+      ->BindInterface("ui", &display_controller_);
+}
+
+}  // namespace chromeos