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// Copyright 2015 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 EXTENSIONS_BROWSER_DEFERRED_START_RENDER_HOST_OBSERVER_H_
#define EXTENSIONS_BROWSER_DEFERRED_START_RENDER_HOST_OBSERVER_H_
namespace extensions {
class DeferredStartRenderHost;
// Observer of DeferredStartRenderHost lifetime.
//
// Note that if BackgroundContents and ExtensionHost are unified
// (crbug.com/77790), this can be replaced by ExtensionHostObserver.
class DeferredStartRenderHostObserver {
public:
virtual ~DeferredStartRenderHostObserver() {}
// Called when a DeferredStartRenderHost started loading.
virtual void OnDeferredStartRenderHostDidStartFirstLoad(
const DeferredStartRenderHost* host) {}
// Called when a DeferredStartRenderHost stopped loading.
virtual void OnDeferredStartRenderHostDidStopFirstLoad(
const DeferredStartRenderHost* host) {}
// Called when a DeferredStartRenderHost is destroyed.
virtual void OnDeferredStartRenderHostDestroyed(
const DeferredStartRenderHost* host) {}
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_DEFERRED_START_RENDER_HOST_OBSERVER_H_
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