Fix tab switcher on saved pages

 Bug: 5051687

Change-Id: I386c31cafcc0e91cbec4975402cfc571d3a1ef81
diff --git a/src/com/android/browser/SnapshotBar.java b/src/com/android/browser/SnapshotBar.java
index b2959a3..9fb68cf 100644
--- a/src/com/android/browser/SnapshotBar.java
+++ b/src/com/android/browser/SnapshotBar.java
@@ -173,7 +173,7 @@
         } else if (mGoLive == v) {
             goLive();
         } else if (mTabSwitcher == v) {
-            mTitleBar.getUi().onMenuKey();
+            ((PhoneUi) mTitleBar.getUi()).toggleNavScreen();
         } else if (mOverflowMenu == v) {
             NavigationBarBase navBar = mTitleBar.getNavigationBar();
             if (navBar instanceof NavigationBarPhone) {