Be explicit about target type in platform_util::OpenItem()

chrome/browser/platform_util_internal.h

+// 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.
+
+#ifndef CHROME_BROWSER_PLATFORM_UTIL_INTERNAL_H_
+#define CHROME_BROWSER_PLATFORM_UTIL_INTERNAL_H_
+
+namespace base {
+class FilePath;
+}
+
+namespace platform_util {
+namespace internal {
+
+enum OpenItemType { OPEN_FILE, OPEN_FOLDER };
+
+// Called by platform_util.cc on desktop platforms to invoke platform specific
+// logic to open |path| using a suitable handler. |path| has been verified to be
+// of type |type|.
+void PlatformOpenVerifiedItem(const base::FilePath& path, OpenItemType type);
+
+// Prevent shell or external applications from being invoked during testing.
+void DisableShellOperationsForTesting();
+
+}  // namespace internal
+}  // namespace platform_util
+
+#endif  // CHROME_BROWSER_PLATFORM_UTIL_INTERNAL_H_