[HTerm-Crosh] Add key shortcut for opening Crosh on ChromeOS Aura.

ash/shell_url_constants.h

Index: ash/shell_url_constants.h
diff --git a/ash/shell_url_constants.h b/ash/shell_url_constants.h
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index 0000000000000000000000000000000000000000..c97a5dbc47e8866d3f46b9f5f27f912e87b71bbe
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+++ b/ash/shell_url_constants.h
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+// 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.
+
+#ifndef ASH_SHELL_URL_CONSTANTS_H_
+#define ASH_SHELL_URL_CONSTANTS_H_
+#pragma once
+
+namespace ash {
+
+extern const char kAuraTerminalURL[];
+
+extern const char kAuraTerminalHost[];
+
+}  // namespace ash
+
+#endif  // ASH_SHELL_URL_CONSTANTS_H_