1 files changed, 46 insertions, 0 deletions
diff --git a/chromium/third_party/blink/public/common/client_hints/enabled_client_hints.h b/chromium/third_party/blink/public/common/client_hints/enabled_client_hints.h
new file mode 100644
index 00000000000..70fac17a280
--- /dev/null
+++ b/chromium/third_party/blink/public/common/client_hints/enabled_client_hints.h
@@ -0,0 +1,46 @@
+// 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.
+
+#ifndef THIRD_PARTY_BLINK_PUBLIC_COMMON_CLIENT_HINTS_ENABLED_CLIENT_HINTS_H_
+#define THIRD_PARTY_BLINK_PUBLIC_COMMON_CLIENT_HINTS_ENABLED_CLIENT_HINTS_H_
+
+#include "services/network/public/mojom/web_client_hints_types.mojom-shared.h"
+#include "third_party/blink/public/common/common_export.h"
+
+namespace blink {
+
+// EnabledClientHints stores all the client hints along with whether the hint
+// is enabled or not.
+class BLINK_COMMON_EXPORT EnabledClientHints {
+ public:
+  EnabledClientHints() = default;
+
+  // Returns true if the client hint should be sent on the HTTP request header,
+  // and returns false otherwise. Even if SetIsEnabled() is called on a client
+  // hint, it is still possible that IsEnabled() returns false, if some other
+  // conditions (such as a feature being toggled) indicate the client hint
+  // should not be sent.
+  //
+  // Returns false if `type` is not a valid WebClientHintsType value.
+  bool IsEnabled(network::mojom::WebClientHintsType type) const;
+
+  // Sets the client hint as enabled for sending in an HTTP request header. Even
+  // if the client hint header is set to enabled, it is still possible that
+  // other factors (such as feature toggles) could cause the client hint to not
+  // be sent, and in that case, IsEnabled() would return false.
+  //
+  // If `type` is not a valid WebClientHintsType value, nothing is changed (no
+  // client hints get enabled).
+  void SetIsEnabled(network::mojom::WebClientHintsType type, bool should_send);
+
+ private:
+  std::array<bool,
+             static_cast<int>(network::mojom::WebClientHintsType::kMaxValue) +
+                 1>
+      enabled_types_{};
+};
+
+}  // namespace blink
+
+#endif  // THIRD_PARTY_BLINK_PUBLIC_COMMON_CLIENT_HINTS_ENABLED_CLIENT_HINTS_H_