chromium/components/ntp_tiles/webui/ntp_tiles_internals_message_handler.h

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_NTP_TILES_WEBUI_NTP_TILES_INTERNALS_MESSAGE_HANDLER_H_
#define COMPONENTS_NTP_TILES_WEBUI_NTP_TILES_INTERNALS_MESSAGE_HANDLER_H_

#include <map>
#include <memory>
#include <string>

#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/task/cancelable_task_tracker.h"
#include "base/values.h"
#include "components/favicon_base/favicon_types.h"
#include "components/ntp_tiles/most_visited_sites.h"

namespace favicon {
class FaviconService;
}  // namespace favicon

namespace ntp_tiles {

class MostVisitedSites;
class NTPTilesInternalsMessageHandlerClient;

// Implements the WebUI message handler for chrome://ntp-tiles-internals/
//
// Because content and iOS use different implementations of WebUI, this class
// implements the generic portion and depends on the embedder to inject a bridge
// to the embedder's API. It cannot itself implement either API directly.
class NTPTilesInternalsMessageHandler : public MostVisitedSites::Observer { … };

}  // namespace ntp_tiles

#endif  // COMPONENTS_NTP_TILES_WEBUI_NTP_TILES_INTERNALS_MESSAGE_HANDLER_H_