Only edit existing bookmark when bookmarking from the title bar.

Bug:3425178
Change-Id: I32341270440231a870dad5b007d218654760548b
diff --git a/src/com/android/browser/TitleBarXLarge.java b/src/com/android/browser/TitleBarXLarge.java
index 0dcece6..dcd2215 100644
--- a/src/com/android/browser/TitleBarXLarge.java
+++ b/src/com/android/browser/TitleBarXLarge.java
@@ -241,7 +241,7 @@
             mUiController.getCurrentTopWebView().goForward();
         } else if (mStar == v) {
             mUiController.bookmarkCurrentPage(
-                    AddBookmarkPage.DEFAULT_FOLDER_ID);
+                    AddBookmarkPage.DEFAULT_FOLDER_ID, true);
         } else if (mAllButton == v) {
             mUiController.bookmarksOrHistoryPicker(false);
         } else if (mSearchButton == v) {