Fix the last lint warnings in chrome/

chrome/android/java/res/layout/js_modal_dialog.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (c) 2012 The Chromium Authors. All rights reserved.
 
      Use of this source code is governed by a BSD-style license that can be
      found in the LICENSE file.
 -->
 
 <!--
      Defines all the widgets that each of the types of JS modal dialogs
      need (alerts, confirms and prompts). When we inflate the layout
@@ skipping 24 matching lines @@
             />
 
     </ScrollView>
 
     <EditText android:id="@+id/js_modal_dialog_prompt"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:singleLine="true"
         android:visibility="gone"
         android:contentDescription="@string/accessibility_js_modal_dialog_prompt"
+        android:inputType="text"
         />
 
     <CheckBox android:id="@+id/suppress_js_modal_dialogs"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_gravity="start"
         android:textAppearance="?android:attr/textAppearanceSmall"
         android:text="@string/suppress_js_modal_dialogs"
         />
 
 </LinearLayout>