Precache tracking database

components/precache/core/url_list_provider.h

Index: components/precache/core/url_list_provider.h
diff --git a/components/precache/core/url_list_provider.h b/components/precache/core/url_list_provider.h
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index 0000000000000000000000000000000000000000..7c671504e0e1f0c7694b89c694c639b5284fd1f3
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+++ b/components/precache/core/url_list_provider.h
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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 COMPONENTS_PRECACHE_CORE_URL_LIST_PROVIDER_H_
+#define COMPONENTS_PRECACHE_CORE_URL_LIST_PROVIDER_H_
+
+#include <list>
+
+#include "base/callback.h"
+#include "url/gurl.h"
+
+namespace precache {
+
+// Interface for classes that can provide a list of URLs.
+class URLListProvider {
+ public:
+  typedef base::Callback<void(const std::list<GURL>&)> GetURLsCallback;
+
+  // Runs |callback| with a list of URLs. |callback| may be run before the call
+  // to GetURLs returns.
+  virtual void GetURLs(const GetURLsCallback& callback) = 0;
+};
+
+}  // namespace precache
+
+#endif  // COMPONENTS_PRECACHE_CORE_URL_LIST_PROVIDER_H_