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// Copyright 2020 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 EXTENSIONS_COMMON_SCRIPT_CONSTANTS_H_
#define EXTENSIONS_COMMON_SCRIPT_CONSTANTS_H_
namespace extensions {
// Whether to fall back to matching the origin for frames where the URL
// cannot be matched directly, such as those with about: or data: schemes.
enum class MatchOriginAsFallbackBehavior {
// Never fall back on the origin; this means scripts will never match on
// these frames.
kNever,
// Match the origin only for about:-scheme frames, and then climb the frame
// tree to find an appropriate ancestor to get a full URL (including path).
// This is for supporting the "match_about_blank" key.
// TODO(devlin): I wonder if we could simplify this to be "MatchForAbout",
// and not worry about climbing the frame tree. It would be a behavior
// change, but I wonder how many extensions it would impact in practice.
kMatchForAboutSchemeAndClimbTree,
// Match the origin as a fallback whenever applicable. This won't have a
// corresponding path.
kAlways,
};
} // namespace extensions
#endif // EXTENSIONS_COMMON_SCRIPT_CONSTANTS_H_
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