Moves TabNavigation into components/sessions and renames

chrome/browser/sessions/tab_restore_service.h

Index: chrome/browser/sessions/tab_restore_service.h
diff --git a/chrome/browser/sessions/tab_restore_service.h b/chrome/browser/sessions/tab_restore_service.h
index 02fdec7f5601773993a03c70b28ed2593000fde8..ab6c80c82a30bc6c5f88df325a4c17c6fc66406f 100644
--- a/chrome/browser/sessions/tab_restore_service.h
+++ b/chrome/browser/sessions/tab_restore_service.h
@@ -15,6 +15,7 @@
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/sessions/session_types.h"
 #include "chrome/browser/ui/host_desktop.h"
+#include "components/sessions/serialized_navigation_entry.h"
 #include "content/public/browser/session_storage_namespace.h"
 #include "ui/base/window_open_disposition.h"
 
@@ -81,7 +82,7 @@ class TabRestoreService : public ProfileKeyedService {
     bool has_browser() const { return browser_id > 0; }
 
     // The navigations.
-    std::vector<TabNavigation> navigations;
+    std::vector<components::SerializedNavigationEntry> navigations;
 
     // Index of the selected navigation in navigations.
     int current_navigation_index;