[Chromedriver] Retry deleting temp dir when needed

chrome/test/chromedriver/chrome/scoped_temp_dir_with_retry.h

Index: chrome/test/chromedriver/chrome/scoped_temp_dir_with_retry.h
diff --git a/chrome/test/chromedriver/chrome/scoped_temp_dir_with_retry.h b/chrome/test/chromedriver/chrome/scoped_temp_dir_with_retry.h
new file mode 100644
index 0000000000000000000000000000000000000000..bd36b94e641a0e61132de693017a328e480a2d5d
--- /dev/null
+++ b/chrome/test/chromedriver/chrome/scoped_temp_dir_with_retry.h
@@ -0,0 +1,22 @@
+// Copyright (c) 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.
+
+#ifndef CHROME_TEST_CHROMEDRIVER_CHROME_SCOPED_TEMP_DIR_WITH_RETRY_H_
+#define CHROME_TEST_CHROMEDRIVER_CHROME_SCOPED_TEMP_DIR_WITH_RETRY_H_
+
+// An object representing a temporary / scratch directory that should be cleaned
+// up (recursively) when this object goes out of scope.  Automatically retries
+// if directory cleanup fails.
+
+#include "base/files/scoped_temp_dir.h"
+
+class ScopedTempDirWithRetry : public base::ScopedTempDir {
+ public:
+  // Recursively delete path.
+  ~ScopedTempDirWithRetry();
+
+  // DISALLOW_COPY_AND_ASSIGN(ScopedTempDirWithRetry);
+};
+
+#endif  // CHROME_TEST_CHROMEDRIVER_CHROME_SCOPED_TEMP_DIR_WITH_RETRY_H_