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// Copyright 2013 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 CHROME_BROWSER_SEARCH_INSTANT_SERVICE_OBSERVER_H_
#define CHROME_BROWSER_SEARCH_INSTANT_SERVICE_OBSERVER_H_
#include <vector>
struct InstantMostVisitedItem;
struct ThemeBackgroundInfo;
// InstantServiceObserver defines the observer interface for InstantService.
class InstantServiceObserver {
public:
// Indicates that the user's custom theme has changed in some way.
virtual void ThemeInfoChanged(const ThemeBackgroundInfo&);
// Indicates that the most visited items has changed.
virtual void MostVisitedItemsChanged(
const std::vector<InstantMostVisitedItem>&);
// Indicates that the default search provider changed. Parameter indicates
// whether the Google base URL changed (such as when the user migrates from
// one google.<TLD> to another TLD).
virtual void DefaultSearchProviderChanged(
bool google_base_url_domain_changed);
// Indicates that the omnibox start margin has changed.
virtual void OmniboxStartMarginChanged(int omnibox_start_margin);
protected:
virtual ~InstantServiceObserver() {}
};
#endif // CHROME_BROWSER_SEARCH_INSTANT_SERVICE_OBSERVER_H_
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