| // 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_ |