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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 COMPONENTS_JS_INJECTION_BROWSER_WEB_MESSAGE_HOST_H_
- #define COMPONENTS_JS_INJECTION_BROWSER_WEB_MESSAGE_HOST_H_
- #include <memory>
- namespace js_injection {
- struct WebMessage;
- // Represents the browser side of a WebMessage channel.
- class WebMessageHost {
- public:
- virtual ~WebMessageHost() = default;
- virtual void OnPostMessage(std::unique_ptr<WebMessage> message) = 0;
- // Called when the value of associated RenderFrameHost's
- // IsInBackForwardCache() changes.
- virtual void OnBackForwardCacheStateChanged() {}
- };
- } // namespace js_injection
- #endif // COMPONENTS_JS_INJECTION_BROWSER_WEB_MESSAGE_HOST_H_
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