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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_WIN_JUMPLIST_H_ | 5 #ifndef CHROME_BROWSER_WIN_JUMPLIST_H_ |
6 #define CHROME_BROWSER_WIN_JUMPLIST_H_ | 6 #define CHROME_BROWSER_WIN_JUMPLIST_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include <list> | 10 #include <list> |
11 #include <memory> | 11 #include <memory> |
12 #include <string> | 12 #include <string> |
13 #include <utility> | 13 #include <utility> |
14 | 14 |
15 #include "base/containers/flat_map.h" | 15 #include "base/containers/flat_map.h" |
16 #include "base/files/file_path.h" | 16 #include "base/files/file_path.h" |
17 #include "base/macros.h" | 17 #include "base/macros.h" |
18 #include "base/memory/ref_counted.h" | |
19 #include "base/memory/weak_ptr.h" | 18 #include "base/memory/weak_ptr.h" |
20 #include "base/sequence_checker.h" | 19 #include "base/sequence_checker.h" |
21 #include "base/strings/string16.h" | 20 #include "base/strings/string16.h" |
22 #include "base/synchronization/lock.h" | |
23 #include "base/task/cancelable_task_tracker.h" | 21 #include "base/task/cancelable_task_tracker.h" |
24 #include "base/timer/timer.h" | 22 #include "base/timer/timer.h" |
25 #include "chrome/browser/prefs/incognito_mode_prefs.h" | 23 #include "chrome/browser/prefs/incognito_mode_prefs.h" |
26 #include "chrome/browser/win/jumplist_updater.h" | 24 #include "chrome/browser/win/jumplist_updater.h" |
27 #include "components/history/core/browser/history_service.h" | |
28 #include "components/history/core/browser/history_types.h" | 25 #include "components/history/core/browser/history_types.h" |
29 #include "components/history/core/browser/top_sites_observer.h" | 26 #include "components/history/core/browser/top_sites_observer.h" |
30 #include "components/keyed_service/core/refcounted_keyed_service.h" | 27 #include "components/keyed_service/core/keyed_service.h" |
31 #include "components/sessions/core/tab_restore_service.h" | 28 #include "components/sessions/core/tab_restore_service.h" |
32 #include "components/sessions/core/tab_restore_service_observer.h" | 29 #include "components/sessions/core/tab_restore_service_observer.h" |
33 #include "content/public/browser/browser_thread.h" | |
34 #include "content/public/browser/notification_observer.h" | 30 #include "content/public/browser/notification_observer.h" |
35 #include "content/public/browser/notification_registrar.h" | 31 #include "content/public/browser/notification_registrar.h" |
36 | 32 |
37 namespace base { | 33 namespace base { |
38 class SingleThreadTaskRunner; | 34 class SingleThreadTaskRunner; |
39 class SequencedTaskRunner; | 35 class SequencedTaskRunner; |
40 } | 36 } |
41 | 37 |
42 namespace chrome { | 38 namespace chrome { |
43 struct FaviconImageResult; | 39 struct FaviconImageResult; |
44 } | 40 } |
45 | 41 |
46 class JumpListFactory; | 42 class JumpListFactory; |
47 class PrefChangeRegistrar; | 43 class PrefChangeRegistrar; |
48 class Profile; | 44 class Profile; |
49 | 45 |
50 // A class which implements an application JumpList. | 46 // A class which implements an application JumpList. |
51 // This class encapsulates operations required for updating an application | 47 // This class encapsulates operations required for updating an application |
52 // JumpList: | 48 // JumpList: |
53 // * Retrieving "Most Visited" pages from HistoryService; | 49 // * Retrieving "Most Visited" pages from HistoryService; |
54 // * Retrieving strings from the application resource; | 50 // * Retrieving strings from the application resource; |
55 // * Adding COM objects to JumpList, etc. | 51 // * Adding COM objects to JumpList, etc. |
56 // | 52 // |
57 // This class observes the tabs and policies of the given Profile and updates | 53 // This class observes the tabs and policies of the given Profile and updates |
58 // the JumpList whenever a change is detected. | 54 // the JumpList whenever a change is detected. |
59 // | 55 // |
60 // Updating a JumpList requires some file operations and it is not good to | 56 // Updating a JumpList requires some file operations and it is not good to |
61 // update it in a UI thread. To solve this problem, this class posts to a | 57 // update it in a UI thread. To solve this problem, this class posts to a |
62 // runnable method when it actually updates a JumpList. | 58 // runnable method when it actually updates a JumpList. |
63 // | |
64 // Note. base::CancelableTaskTracker is not thread safe, so we | |
65 // always delete JumpList on UI thread (the same thread it got constructed on). | |
66 class JumpList : public sessions::TabRestoreServiceObserver, | 59 class JumpList : public sessions::TabRestoreServiceObserver, |
67 public history::TopSitesObserver, | 60 public history::TopSitesObserver, |
68 public RefcountedKeyedService { | 61 public KeyedService { |
69 public: | 62 public: |
70 struct JumpListData { | 63 // KeyedService: |
71 JumpListData(); | 64 void Shutdown() override; |
72 ~JumpListData(); | |
73 | |
74 // Lock for most_visited_pages_, recently_closed_pages_, icon_urls_ | |
75 // as they may be used by up to 2 threads. | |
76 base::Lock list_lock_; | |
77 | |
78 // A list of URLs we need to retrieve their favicons, | |
79 // protected by the list_lock_. | |
80 typedef std::pair<std::string, scoped_refptr<ShellLinkItem> > URLPair; | |
81 std::list<URLPair> icon_urls_; | |
82 | |
83 // Items in the "Most Visited" category of the application JumpList, | |
84 // protected by the list_lock_. | |
85 ShellLinkItemList most_visited_pages_; | |
86 | |
87 // Items in the "Recently Closed" category of the application JumpList, | |
88 // protected by the list_lock_. | |
89 ShellLinkItemList recently_closed_pages_; | |
90 | |
91 // A boolean flag indicating if "Most Visited" category of the JumpList | |
92 // has new updates therefore its icons need to be updated. | |
93 // By default, this flag is set to false. If there's any change in | |
94 // TabRestoreService, this flag will be set to true. | |
95 bool most_visited_pages_have_updates_ = false; | |
96 | |
97 // A boolean flag indicating if "Recently Closed" category of the JumpList | |
98 // has new updates therefore its icons need to be updated. | |
99 // By default, this flag is set to false. If there's any change in TopSites | |
100 // service, this flag will be set to true. | |
101 bool recently_closed_pages_have_updates_ = false; | |
102 }; | |
103 | |
104 // Observer callback for TabRestoreService::Observer to notify when a tab is | |
105 // added or removed. | |
106 void TabRestoreServiceChanged(sessions::TabRestoreService* service) override; | |
107 | |
108 // Observer callback to notice when our associated TabRestoreService | |
109 // is destroyed. | |
110 void TabRestoreServiceDestroyed( | |
111 sessions::TabRestoreService* service) override; | |
112 | |
113 // Cancel a pending jumplist update. | |
114 void CancelPendingUpdate(); | |
115 | |
116 // Terminate the jumplist: cancel any pending updates and stop observing | |
117 // the Profile and its services. This must be called before the |profile_| | |
118 // is destroyed. | |
119 void Terminate(); | |
120 | |
121 // RefcountedKeyedService: | |
122 void ShutdownOnUIThread() override; | |
123 | 65 |
124 // Returns true if the custom JumpList is enabled. | 66 // Returns true if the custom JumpList is enabled. |
125 static bool Enabled(); | 67 static bool Enabled(); |
126 | 68 |
127 private: | 69 private: |
128 friend JumpListFactory; | 70 friend JumpListFactory; |
129 explicit JumpList(Profile* profile); // Use JumpListFactory instead | 71 explicit JumpList(Profile* profile); // Use JumpListFactory instead |
grt (UTC plus 2)
2017/06/12 20:43:39
nit: move these methods down below the types as pe
chengx
2017/06/12 22:05:30
Factory methods and the destructor moved down belo
| |
130 ~JumpList() override; | 72 ~JumpList() override; |
131 | 73 |
132 enum class JumpListCategory { kMostVisited, kRecentlyClosed }; | 74 using URLIconCache = base::flat_map<std::string, base::FilePath>; |
133 | 75 |
134 // Adds a new ShellLinkItem for |tab| to |data| provided that doing so will | 76 // Holds results of the RunUpdateJumpList run. |
135 // not exceed |max_items|. | 77 struct UpdateResults { |
136 bool AddTab(const sessions::TabRestoreService::Tab& tab, | 78 UpdateResults(); |
137 size_t max_items, | 79 ~UpdateResults(); |
138 JumpListData* data); | |
139 | 80 |
140 // Adds a new ShellLinkItem for each tab in |window| to |data| provided that | 81 // Icon file paths of the most visited links, indexed by tab url. |
141 // doing so will not exceed |max_items|. | 82 // Holding a copy of most_visited_icons_ initially, it's updated by the |
83 // JumpList update run. If the update run succeeds, it overwrites | |
84 // most_visited_icons_. | |
85 URLIconCache most_visited_icons_in_update_; | |
grt (UTC plus 2)
2017/06/12 20:43:39
nit: omit the trailing underscore for these public
chengx
2017/06/12 22:05:30
Done.
| |
86 | |
87 // icon file paths of the recently closed links, indexed by tab url. | |
88 // Holding a copy of recently_closed_icons_ initially, it's updated by the | |
89 // JumpList update run. If the update run succeeds, it overwrites | |
90 // recently_closed_icons_. | |
91 URLIconCache recently_closed_icons_in_update; | |
92 | |
93 // A flag indicating if a JumpList update run is successful. | |
94 bool update_success_ = false; | |
95 | |
96 // A flag indicating if there is a timeout in notifying the JumpList update | |
97 // to shell. Note that this variable is independent of update_success_. | |
98 bool update_timeout_ = false; | |
99 }; | |
100 | |
101 // Adds a new ShellLinkItem for |tab| to the JumpList data provided that doing | |
102 // so will not exceed |max_items|. | |
103 bool AddTab(const sessions::TabRestoreService::Tab& tab, size_t max_items); | |
104 | |
105 // Adds a new ShellLinkItem for each tab in |window| to the JumpList data | |
106 // provided that doing so will not exceed |max_items|. | |
142 void AddWindow(const sessions::TabRestoreService::Window& window, | 107 void AddWindow(const sessions::TabRestoreService::Window& window, |
143 size_t max_items, | 108 size_t max_items); |
144 JumpListData* data); | |
145 | 109 |
146 // Starts loading a favicon for each URL in |icon_urls_|. | 110 // Starts loading a favicon for each URL in |icon_urls_|. |
147 // This function sends a query to HistoryService. | 111 // This function sends a query to HistoryService. |
148 // When finishing loading all favicons, this function posts a task that | 112 // When finishing loading all favicons, this function posts a task that |
149 // decompresses collected favicons and updates a JumpList. | 113 // decompresses collected favicons and updates a JumpList. |
150 void StartLoadingFavicon(); | 114 void StartLoadingFavicon(); |
151 | 115 |
152 // A callback function for HistoryService that notify when a requested favicon | 116 // Callback for HistoryService that notifies when a requested favicon is |
153 // is available. | 117 // available. To avoid file operations, this function just attaches the given |
154 // To avoid file operations, this function just attaches the given data to | 118 // data to a ShellLinkItem object. |
155 // a ShellLinkItem object. | |
156 void OnFaviconDataAvailable( | 119 void OnFaviconDataAvailable( |
157 const favicon_base::FaviconImageResult& image_result); | 120 const favicon_base::FaviconImageResult& image_result); |
158 | 121 |
159 // Callback for TopSites that notifies when the "Most Visited" list is | 122 // Callback for TopSites that notifies when the "Most Visited" list is |
160 // available. This function updates the ShellLinkItemList objects and | 123 // available. This function updates the ShellLinkItemList objects and |
161 // begins the process of fetching favicons for the URLs. | 124 // begins the process of fetching favicons for the URLs. |
162 void OnMostVisitedURLsAvailable( | 125 void OnMostVisitedURLsAvailable( |
163 const history::MostVisitedURLList& data); | 126 const history::MostVisitedURLList& data); |
164 | 127 |
165 // Callback for changes to the incognito mode availability pref. | 128 // Callback for changes to the incognito mode availability pref. |
166 void OnIncognitoAvailabilityChanged(); | 129 void OnIncognitoAvailabilityChanged(); |
167 | 130 |
131 // sessions::TabRestoreServiceObserver: | |
132 void TabRestoreServiceChanged(sessions::TabRestoreService* service) override; | |
133 void TabRestoreServiceDestroyed( | |
134 sessions::TabRestoreService* service) override; | |
135 | |
136 // history::TopSitesObserver: | |
137 void TopSitesLoaded(history::TopSites* top_sites) override; | |
138 void TopSitesChanged(history::TopSites* top_sites, | |
139 ChangeReason change_reason) override; | |
140 | |
141 // Initialize the one-shot timer to update the JumpList in a while. If there | |
142 // is already a request queued then cancel it and post the new request. This | |
143 // ensures that JumpList update won't happen until there has been a brief | |
144 // quiet period, thus avoiding update storms. | |
145 void InitializeTimerForUpdate(); | |
146 | |
147 // Called on a timer after requests storms have subsided. Calls APIs | |
148 // ProcessTopSitesNotification and ProcessTabRestoreNotification on | |
149 // demand to do the actual work. | |
150 void OnDelayTimer(); | |
151 | |
152 // Processes notifications from TopSites service. | |
153 void ProcessTopSitesNotification(); | |
154 | |
155 // Processes notifications from TabRestore service. | |
156 void ProcessTabRestoreServiceNotification(); | |
157 | |
168 // Posts tasks to update the JumpList and delete any obsolete JumpList related | 158 // Posts tasks to update the JumpList and delete any obsolete JumpList related |
169 // folders. | 159 // folders. |
170 void PostRunUpdate(); | 160 void PostRunUpdate(); |
171 | 161 |
172 // history::TopSitesObserver implementation. | 162 // Deletes icon files in |icon_dir| which are not in |icon_cache| anymore. |
173 void TopSitesLoaded(history::TopSites* top_sites) override; | 163 static void DeleteIconFiles(const base::FilePath& icon_dir, |
174 void TopSitesChanged(history::TopSites* top_sites, | 164 URLIconCache* icon_cache); |
175 ChangeReason change_reason) override; | |
176 | 165 |
177 // Called on a timer to update the most visited URLs after requests storms | 166 // In |icon_dir|, creates at most |max_items| icon files which are not in |
178 // have subsided. | 167 // |icon_cache| for the asynchrounously loaded icons stored in |item_list|. |
179 void DeferredTopSitesChanged(); | 168 // |icon_cache| is also updated for newly created icons. |
169 // Returns the number of new icon files created. | |
170 static int CreateIconFiles(const base::FilePath& icon_dir, | |
171 const ShellLinkItemList& item_list, | |
172 size_t max_items, | |
173 URLIconCache* icon_cache); | |
180 | 174 |
181 // Called on a timer to update the "Recently Closed" category of JumpList | 175 // Updates icon files for |page_list| in |icon_dir|, which consists of |
182 // after requests storms have subsided. | 176 // 1) creating at most |slot_limit| new icons which are not in |icon_cache|; |
183 void DeferredTabRestoreServiceChanged(); | 177 // 2) deleting old icons which are not in |icon_cache|. |
178 // Returns the number of new icon files created. | |
179 static int UpdateIconFiles(const base::FilePath& icon_dir, | |
180 const ShellLinkItemList& page_list, | |
181 size_t slot_limit, | |
182 URLIconCache* icon_cache); | |
184 | 183 |
185 // Deletes icon files of |category| in |icon_dir| which are not in the cache | 184 // Updates the application JumpList, which consists of 1) create new icon |
186 // anymore. | 185 // files; 2) delete obsolete icon files; 3) notify the OS. |
187 void DeleteIconFiles(const base::FilePath& icon_dir, | 186 // Note that any timeout error along the way results in the old JumpList being |
188 JumpListCategory category); | 187 // left as-is, while any non-timeout error results in the old JumpList being |
189 | 188 // left as-is, but without icon files. |
190 // Creates at most |max_items| icon files of |category| in |icon_dir| for the | 189 static void RunUpdateJumpList( |
191 // asynchrounously loaded icons stored in |item_list|. | |
192 // Returns the number of new icon files created. | |
193 int CreateIconFiles(const base::FilePath& icon_dir, | |
194 const ShellLinkItemList& item_list, | |
195 size_t max_items, | |
196 JumpListCategory category); | |
197 | |
198 // Updates icon files in |icon_dir|, which includes deleting old icons and | |
199 // creating at most |slot_limit| new icons for |page_list|. | |
200 // Returns the number of new icon files created. | |
201 int UpdateIconFiles(const base::FilePath& icon_dir, | |
202 const ShellLinkItemList& page_list, | |
203 size_t slot_limit, | |
204 JumpListCategory category); | |
205 | |
206 // Updates the jumplist, once all the data has been fetched. This method calls | |
207 // UpdateJumpList() to do most of the work. | |
208 void RunUpdateJumpList( | |
209 IncognitoModePrefs::Availability incognito_availability, | |
210 const base::string16& app_id, | 190 const base::string16& app_id, |
211 const base::FilePath& profile_dir, | 191 const base::FilePath& profile_dir, |
212 base::RefCountedData<JumpListData>* ref_counted_data); | 192 const ShellLinkItemList& most_visited_pages, |
193 const ShellLinkItemList& recently_closed_pages, | |
194 bool most_visited_pages_have_updates, | |
195 bool recently_closed_pages_have_updates, | |
196 IncognitoModePrefs::Availability incognito_availability, | |
197 UpdateResults* update_results); | |
213 | 198 |
214 // Updates the application JumpList, which consists of 1) delete old icon | 199 // Callback for RunUpdateJumpList that notifies when it finishes running. |
215 // files; 2) create new icon files; 3) notify the OS. This method is called | 200 // Updates certain JumpList member variables and/or triggers a new JumpList |
216 // from RunUpdateJumpList(). | 201 // update based on |update_results|. |
217 // Note that any timeout error along the way results in the old jumplist being | 202 void OnRunUpdateCompletion(std::unique_ptr<UpdateResults> update_results); |
218 // left as-is, while any non-timeout error results in the old jumplist being | 203 |
219 // left as-is, but without icon files. | 204 // Cancel a pending JumpList update. |
220 bool UpdateJumpList(const base::string16& app_id, | 205 void CancelPendingUpdate(); |
221 const base::FilePath& profile_dir, | 206 |
222 const ShellLinkItemList& most_visited_pages, | 207 // Terminate the JumpList: cancel any pending updates and stop observing |
223 const ShellLinkItemList& recently_closed_pages, | 208 // the Profile and its services. This must be called before the |profile_| |
224 bool most_visited_pages_have_updates, | 209 // is destroyed. |
225 bool recently_closed_pages_have_updates, | 210 void Terminate(); |
226 IncognitoModePrefs::Availability incognito_availability); | |
227 | 211 |
228 // Tracks FaviconService tasks. | 212 // Tracks FaviconService tasks. |
229 base::CancelableTaskTracker cancelable_task_tracker_; | 213 base::CancelableTaskTracker cancelable_task_tracker_; |
230 | 214 |
231 // The Profile object is used to listen for events. | 215 // The Profile object is used to listen for events. |
232 Profile* profile_; | 216 Profile* profile_; |
233 | 217 |
234 // Lives on the UI thread. | 218 // Manages the registration of pref change observers. |
235 std::unique_ptr<PrefChangeRegistrar> pref_change_registrar_; | 219 std::unique_ptr<PrefChangeRegistrar> pref_change_registrar_; |
236 | 220 |
237 // App id to associate with the jump list. | 221 // App id to associate with the JumpList. |
238 base::string16 app_id_; | 222 base::string16 app_id_; |
239 | 223 |
240 // Timer for requesting delayed updates of the "Most Visited" category of | 224 // Timer for requesting delayed JumpList updates. |
241 // jumplist. | 225 base::OneShotTimer timer_; |
242 base::OneShotTimer timer_most_visited_; | |
243 | 226 |
244 // Timer for requesting delayed updates of the "Recently Closed" category of | 227 // A list of URLs we need to retrieve their favicons, |
245 // jumplist. | 228 using UrlAndLinkItem = std::pair<std::string, scoped_refptr<ShellLinkItem>>; |
grt (UTC plus 2)
2017/06/12 20:43:39
nit: move this up to the top of the private: secti
chengx
2017/06/12 22:05:30
Done.
| |
246 base::OneShotTimer timer_recently_closed_; | 229 std::list<UrlAndLinkItem> icon_urls_; |
230 | |
231 // Items in the "Most Visited" category of the JumpList. | |
232 ShellLinkItemList most_visited_pages_; | |
233 | |
234 // Items in the "Recently Closed" category of the JumpList. | |
235 ShellLinkItemList recently_closed_pages_; | |
236 | |
237 // The icon file paths of the most visited links, indexed by tab url. | |
238 URLIconCache most_visited_icons_; | |
239 | |
240 // The icon file paths of the recently closed links, indexed by tab url. | |
241 URLIconCache recently_closed_icons_; | |
242 | |
243 // A flag indicating if TopSites service has notifications. | |
244 bool top_sites_has_pending_notification_ = false; | |
245 | |
246 // A flag indicating if TabRestore service has notifications. | |
247 bool tab_restore_has_pending_notification_ = false; | |
248 | |
249 // A flag indicating if "Most Visited" category should be updated. | |
250 bool most_visited_should_update_ = false; | |
251 | |
252 // A flag indicating if "Recently Closed" category should be updated. | |
253 bool recently_closed_should_update_ = false; | |
254 | |
255 // A boolean flag indicating if there's a JumpList update task already posted | |
256 // or currently running. | |
257 bool update_in_progress_ = false; | |
258 | |
259 // A boolean flag indicating if a session has at least one tab closed. | |
260 bool has_tab_closed_ = false; | |
247 | 261 |
248 // Number of updates to skip to alleviate the machine when a previous update | 262 // Number of updates to skip to alleviate the machine when a previous update |
249 // was too slow. Updates will be resumed when this reaches 0 again. | 263 // was too slow. Updates will be resumed when this reaches 0 again. |
250 int updates_to_skip_ = 0; | 264 int updates_to_skip_ = 0; |
251 | 265 |
252 // A boolean flag indicating if a session has at least one tab closed. | |
253 bool has_tab_closed_ = false; | |
254 | |
255 // Holds data that can be accessed from multiple threads. | |
256 scoped_refptr<base::RefCountedData<JumpListData>> jumplist_data_; | |
257 | |
258 // The icon file paths of the most visited links and the recently closed links | |
259 // in the current jumplist, indexed by tab url, respectively. | |
260 // They may only be accessed on update_jumplist_task_runner_. | |
261 base::flat_map<std::string, base::FilePath> most_visited_icons_; | |
262 base::flat_map<std::string, base::FilePath> recently_closed_icons_; | |
263 | |
264 // Id of last favicon task. It's used to cancel current task if a new one | 266 // Id of last favicon task. It's used to cancel current task if a new one |
265 // comes in before it finishes. | 267 // comes in before it finishes. |
266 base::CancelableTaskTracker::TaskId task_id_; | 268 base::CancelableTaskTracker::TaskId task_id_ = |
269 base::CancelableTaskTracker::kBadTaskId; | |
267 | 270 |
268 // A task runner running tasks to update the JumpList. | 271 // A task runner running tasks to update the JumpList. |
269 scoped_refptr<base::SingleThreadTaskRunner> update_jumplist_task_runner_; | 272 scoped_refptr<base::SingleThreadTaskRunner> update_jumplist_task_runner_; |
270 | 273 |
271 // A task runner running tasks to delete JumpListIcons directory and | 274 // A task runner running tasks to delete JumpListIcons directory and |
272 // JumpListIconsOld directory. | 275 // JumpListIconsOld directory. |
273 scoped_refptr<base::SequencedTaskRunner> delete_jumplisticons_task_runner_; | 276 scoped_refptr<base::SequencedTaskRunner> delete_jumplisticons_task_runner_; |
274 | 277 |
275 SEQUENCE_CHECKER(sequence_checker_); | 278 SEQUENCE_CHECKER(sequence_checker_); |
276 | 279 |
277 // For callbacks may be run after destruction. | 280 // For callbacks may run after destruction. |
278 base::WeakPtrFactory<JumpList> weak_ptr_factory_; | 281 base::WeakPtrFactory<JumpList> weak_ptr_factory_; |
279 | 282 |
280 DISALLOW_COPY_AND_ASSIGN(JumpList); | 283 DISALLOW_COPY_AND_ASSIGN(JumpList); |
281 }; | 284 }; |
282 | 285 |
283 #endif // CHROME_BROWSER_WIN_JUMPLIST_H_ | 286 #endif // CHROME_BROWSER_WIN_JUMPLIST_H_ |
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