Browser save page as web archive.

Change-Id: I01366f575f61fd6e2084ad003b860f5c6083258e
diff --git a/res/menu/browser.xml b/res/menu/browser.xml
index da36b73..adb1bad 100644
--- a/res/menu/browser.xml
+++ b/res/menu/browser.xml
@@ -59,6 +59,8 @@
             android:title="@string/menu_preferences"
             android:icon="@drawable/ic_menu_settings"
             android:alphabeticShortcut="p" />
+        <item android:id="@+id/save_webarchive_menu_id"
+            android:title="@string/menu_save_webarchive" />
         <!-- followings are debug only -->
         <item android:id="@+id/dump_nav_menu_id"
             android:title="@string/dump_nav"