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Side by Side Diff: chrome/browser/extensions/state_store_notification_observer.h

Issue 902613003: Record the number of tabs in a session restore in SampledProfile (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Add more detailed description of meaning of num tabs, given by sky Created 5 years, 10 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CHROME_BROWSER_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_ 5 #ifndef CHROME_BROWSER_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_
6 #define CHROME_BROWSER_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_ 6 #define CHROME_BROWSER_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_
7 7
8 #include "base/compiler_specific.h" 8 #include "base/compiler_specific.h"
9 #include "base/macros.h" 9 #include "base/macros.h"
10 #include "chrome/browser/sessions/session_restore.h" 10 #include "chrome/browser/sessions/session_restore.h"
11 11
12 namespace extensions { 12 namespace extensions {
13 class StateStore; 13 class StateStore;
14 14
15 // Initializes the StateStore when session restore is complete, for example when 15 // Initializes the StateStore when session restore is complete, for example when
16 // page load notifications are not sent ("Continue where I left off"). 16 // page load notifications are not sent ("Continue where I left off").
17 // http://crbug.com/230481 17 // http://crbug.com/230481
18 class StateStoreNotificationObserver { 18 class StateStoreNotificationObserver {
19 public: 19 public:
20 explicit StateStoreNotificationObserver(StateStore* state_store); 20 explicit StateStoreNotificationObserver(StateStore* state_store);
21 ~StateStoreNotificationObserver(); 21 ~StateStoreNotificationObserver();
22 22
23 private: 23 private:
24 // Called when a session restore has finished. 24 // Called when a session restore has finished.
25 void OnSessionRestoreDone(); 25 void OnSessionRestoreDone(int num_tabs_restored);
26 26
27 StateStore* state_store_; // Not owned. 27 StateStore* state_store_; // Not owned.
28 28
29 // Points to the on-session-restored callback that was registered with 29 // Points to the on-session-restored callback that was registered with
30 // SessionRestore's callback list. When objects of this class are destroyed, 30 // SessionRestore's callback list. When objects of this class are destroyed,
31 // the subscription object's destructor will automatically unregister the 31 // the subscription object's destructor will automatically unregister the
32 // callback in SessionRestore, so that the callback list does not contain any 32 // callback in SessionRestore, so that the callback list does not contain any
33 // obsolete callbacks. 33 // obsolete callbacks.
34 SessionRestore::CallbackSubscription 34 SessionRestore::CallbackSubscription
35 on_session_restored_callback_subscription_; 35 on_session_restored_callback_subscription_;
36 36
37 DISALLOW_COPY_AND_ASSIGN(StateStoreNotificationObserver); 37 DISALLOW_COPY_AND_ASSIGN(StateStoreNotificationObserver);
38 }; 38 };
39 39
40 } // namespace extensions 40 } // namespace extensions
41 41
42 #endif // CHROME_BROWSER_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_ 42 #endif // CHROME_BROWSER_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_
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