[Sync] Add logic to reassociate tab nodes after restart.

chrome/browser/sync/glue/synced_tab_delegate_android.cc

Index: chrome/browser/sync/glue/synced_tab_delegate_android.cc
diff --git a/chrome/browser/sync/glue/synced_tab_delegate_android.cc b/chrome/browser/sync/glue/synced_tab_delegate_android.cc
index 8236cdfbc3bead75a43da4b7be10a89e8da178bb..1b5f26d82aab32fc7050d7606072af11200e142c 100644
--- a/chrome/browser/sync/glue/synced_tab_delegate_android.cc
+++ b/chrome/browser/sync/glue/synced_tab_delegate_android.cc
@@ -106,6 +106,14 @@ SyncedTabDelegateAndroid::GetBlockedNavigations() const {
       ->GetBlockedNavigations();
 }
 
+int64 SyncedTabDelegateAndroid::GetSyncId() const {
+  return tab_android_->GetSyncId();
+}
+
+void SyncedTabDelegateAndroid::SetSyncId(int64 sync_id) {
+  tab_android_->SetSyncId(sync_id);
+}
+
 // static
 SyncedTabDelegate* SyncedTabDelegate::ImplFromWebContents(
     content::WebContents* web_contents) {