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

chrome/browser/extensions/api/terminal/terminal_extension_helper.h

+// 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 CHROME_BROWSER_EXTENSIONS_API_TERMINAL_TERMINAL_EXTENSION_HELPER_H_
+#define CHROME_BROWSER_EXTENSIONS_API_TERMINAL_TERMINAL_EXTENSION_HELPER_H_
+#pragma once
+
+#include <string>
+
+#include "googleurl/src/gurl.h"
+
+class Profile;
+
+class TerminalExtensionHelper {
+ public:
+  static bool AllowAccessToExtension(Profile* profile,
+                                     const std::string& extension_id);
+  static GURL GetCroshExtensionURL(Profile* profile);
+
+ private:
+  static const char* GetTerminalExtensionId(Profile* profile);
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_TERMINAL_TERMINAL_EXTENSION_HELPER_H_