Revert of Report CHECK/DCHECK to test launcher summary output.

base/strings/string_piece_forward.h

Index: base/strings/string_piece_forward.h
diff --git a/base/strings/string_piece_forward.h b/base/strings/string_piece_forward.h
deleted file mode 100644
index 86c1d5fbd5bbf64fe0066e2e15de1839ea4a9afc..0000000000000000000000000000000000000000
--- a/base/strings/string_piece_forward.h
+++ /dev/null
@@ -1,23 +0,0 @@
-// 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.
-
-// Forward declaration of StringPiece types from base/strings/string_piece.h
-
-#ifndef BASE_STRINGS_STRING_PIECE_FORWARD_H_
-#define BASE_STRINGS_STRING_PIECE_FORWARD_H_
-
-#include <string>
-
-#include "base/strings/string16.h"
-
-namespace base {
-
-template <typename STRING_TYPE>
-class BasicStringPiece;
-typedef BasicStringPiece<std::string> StringPiece;
-typedef BasicStringPiece<string16> StringPiece16;
-
-}  // namespace base
-
-#endif  // BASE_STRINGS_STRING_PIECE_FORWARD_H_