Index: chrome/browser/sessions/session_restore_observer.h |
diff --git a/chrome/browser/sessions/session_restore_observer.h b/chrome/browser/sessions/session_restore_observer.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8d51103aea6924a021acff267d1725cf3ff09a5c |
--- /dev/null |
+++ b/chrome/browser/sessions/session_restore_observer.h |
@@ -0,0 +1,21 @@ |
+// Copyright 2017 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_SESSIONS_SESSION_RESTORE_OBSERVER_H_ |
+#define CHROME_BROWSER_SESSIONS_SESSION_RESTORE_OBSERVER_H_ |
+ |
+// Observer of events during session restore. |
+class SessionRestoreObserver { |
+ public: |
+ // OnSessionRestoreStartedLoadingTabs is triggered when the browser starts |
+ // loading tabs in session restore. |
+ virtual void OnSessionRestoreStartedLoadingTabs() {} |
+ |
+ // OnSessionRestoreFinishedLoadingTabs is triggered when the browser finishes |
+ // loading tabs in session restore. In case of memory pressure, not all |
+ // WebContents may have been created (i.e., some are deferred). |
+ virtual void OnSessionRestoreFinishedLoadingTabs() {} |
+}; |
+ |
+#endif // CHROME_BROWSER_SESSIONS_SESSION_RESTORE_OBSERVER_H_ |