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// Copyright 2014 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_PROCESS_MANAGER_OBSERVER_H_
#define EXTENSIONS_BROWSER_PROCESS_MANAGER_OBSERVER_H_
#include <string>
#include "base/observer_list_types.h"
namespace content {
class RenderFrameHost;
}
namespace extensions {
class Extension;
class ExtensionHost;
class ProcessManager;
struct WorkerId;
class ProcessManagerObserver : public base::CheckedObserver {
public:
// Called immediately after an extension background host is started. This
// corresponds with the loading of background hosts immediately after profile
// startup.
virtual void OnBackgroundHostStartup(const Extension* extension) {}
// Called immediately after an ExtensionHost for an extension is created.
// This corresponds with any time ProcessManager::OnBackgroundHostCreated is
// called.
virtual void OnBackgroundHostCreated(ExtensionHost* host) {}
// Called immediately after the extension background host is destroyed.
virtual void OnBackgroundHostClose(const std::string& extension_id) {}
// Called when a RenderFrameHost has been registered in an extension process.
virtual void OnExtensionFrameRegistered(
const std::string& extension_id,
content::RenderFrameHost* render_frame_host) {}
// Called when a RenderFrameHost is no longer part of an extension process.
virtual void OnExtensionFrameUnregistered(
const std::string& extension_id,
content::RenderFrameHost* render_frame_host) {}
// Called when a service worker is started.
virtual void OnServiceWorkerRegistered(const WorkerId& worker_id) {}
// Called when a service worker is no longer part of an extension process.
virtual void OnServiceWorkerUnregistered(const WorkerId& worker_id) {}
// Called when the observed ProcessManager is shutting down.
virtual void OnProcessManagerShutdown(ProcessManager* manager) {}
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_PROCESS_MANAGER_OBSERVER_H_
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