[sessions] Properly namespace recently-componentized TabRestore code

chrome/browser/jumplist_win.h

Index: chrome/browser/jumplist_win.h
diff --git a/chrome/browser/jumplist_win.h b/chrome/browser/jumplist_win.h
index bc75e51ce46b18cc0c8cdd49308e17300285ae99..28f751c48e63b4ac0287135c3e50176f0437c8d7 100644
--- a/chrome/browser/jumplist_win.h
+++ b/chrome/browser/jumplist_win.h
@@ -49,7 +49,7 @@ class Profile;
 //
 // Note. base::CancelableTaskTracker is not thread safe, so we
 // always delete JumpList on UI thread (the same thread it got constructed on).
-class JumpList : public TabRestoreServiceObserver,
+class JumpList : public sessions::TabRestoreServiceObserver,
                  public content::NotificationObserver,
                  public history::TopSitesObserver,
                  public base::RefCountedThreadSafe<
@@ -65,11 +65,12 @@ class JumpList : public TabRestoreServiceObserver,
 
   // Observer callback for TabRestoreService::Observer to notify when a tab is
   // added or removed.
-  void TabRestoreServiceChanged(TabRestoreService* service) override;
+  void TabRestoreServiceChanged(sessions::TabRestoreService* service) override;
 
   // Observer callback to notice when our associated TabRestoreService
   // is destroyed.
-  void TabRestoreServiceDestroyed(TabRestoreService* service) override;
+  void TabRestoreServiceDestroyed(
+      sessions::TabRestoreService* service) override;
 
   // Cancel a pending jumplist update.
   void CancelPendingUpdate();
@@ -93,10 +94,10 @@ class JumpList : public TabRestoreServiceObserver,
   // given list.
   // These functions are copied from the RecentlyClosedTabsHandler class for
   // compatibility with the new-tab page.
-  bool AddTab(const TabRestoreService::Tab* tab,
+  bool AddTab(const sessions::TabRestoreService::Tab* tab,
               ShellLinkItemList* list,
               size_t max_items);
-  void AddWindow(const TabRestoreService::Window* window,
+  void AddWindow(const sessions::TabRestoreService::Window* window,
                  ShellLinkItemList* list,
                  size_t max_items);