[sessions] Properly namespace recently-componentized TabRestore code

chrome/browser/ui/browser_tabrestore_browsertest.cc

Index: chrome/browser/ui/browser_tabrestore_browsertest.cc
diff --git a/chrome/browser/ui/browser_tabrestore_browsertest.cc b/chrome/browser/ui/browser_tabrestore_browsertest.cc
index d4c9b1565e0dda3340509ff9ceb152f78da0e5ae..83b943663eb71500cf8371440199c5f88596e7ed 100644
--- a/chrome/browser/ui/browser_tabrestore_browsertest.cc
+++ b/chrome/browser/ui/browser_tabrestore_browsertest.cc
@@ -119,11 +119,11 @@ IN_PROC_BROWSER_TEST_F(BrowserTabRestoreTest, DelegateRestoreTabDisposition) {
 
   // Check the browser has a delegated restore service.
   Browser* browser = active_browser_list->get(0);
-  TabRestoreService* service =
+  sessions::TabRestoreService* service =
       TabRestoreServiceFactory::GetForProfile(browser->profile());
   bool has_tab_restore_service = !!service;
   ASSERT_TRUE(has_tab_restore_service);
-  TabRestoreServiceDelegate* delegate =
+  sessions::TabRestoreServiceDelegate* delegate =
       BrowserTabRestoreServiceDelegate::FindDelegateForWebContents(
           browser->tab_strip_model()->GetActiveWebContents());
   bool has_tab_restore_delegate = !!delegate;