fix link context menus

    http://b/issue?id=3351385
    http://b/issue?id=3352255

    remove bookmark/share link option
    change open in new tab text based on open in background setting

Change-Id: I3930d085339a7f829d8ef4f1afc879b4df743f24
diff --git a/res/values-xlarge/strings.xml b/res/values-xlarge/strings.xml
index 8dcabe2..ee20dfa 100644
--- a/res/values-xlarge/strings.xml
+++ b/res/values-xlarge/strings.xml
@@ -25,6 +25,9 @@
     <!-- Context Menu item to open the currently selected link in a new
          window. [CHAR LIMIT=30] -->
     <string name="contextmenu_openlink_newwindow">Open in new tab</string>
+    <!-- Context Menu item to open the currently selected link in a new
+         background window. [CHAR LIMIT=50] -->
+    <string name="contextmenu_openlink_newwindow_background">Open in new background tab</string>
     <!-- Context menu item to open every bookmark in a folder in new tabs [CHAR LIMIT=50] -->
     <string name="open_all_in_new_window">Open all in new tabs</string>
 </resources>