Fix two warnings surfaced by closure compiler.

chrome/browser/resources/net_internals/hsts_view.js

 // Copyright (c) 2011 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.
 
 /**
  * HSTS is HTTPS Strict Transport Security: a way for sites to elect to always
  * use HTTPS. See http://dev.chromium.org/sts
  *
  * This UI allows a user to query and update the browser's list of HSTS domains.
  */
@@ skipping 13 matching lines @@
     // Call superclass's constructor.
     superClass.call(this, HSTSView.MAIN_BOX_ID);
 
     this.addInput_ = $(HSTSView.ADD_INPUT_ID);
     this.addCheck_ = $(HSTSView.ADD_CHECK_ID);
     this.addPins_ = $(HSTSView.ADD_PINS_ID);
     this.deleteInput_ = $(HSTSView.DELETE_INPUT_ID);
     this.queryInput_ = $(HSTSView.QUERY_INPUT_ID);
     this.queryOutputDiv_ = $(HSTSView.QUERY_OUTPUT_DIV_ID);
 
-    form = $(HSTSView.ADD_FORM_ID);
+    var form = $(HSTSView.ADD_FORM_ID);
     form.addEventListener('submit', this.onSubmitAdd_.bind(this), false);
+
     form = $(HSTSView.DELETE_FORM_ID);
     form.addEventListener('submit', this.onSubmitDelete_.bind(this), false);
-    var form = $(HSTSView.QUERY_FORM_ID);
+
+    form = $(HSTSView.QUERY_FORM_ID);
     form.addEventListener('submit', this.onSubmitQuery_.bind(this), false);
 
     g_browser.addHSTSObserver(this);
   }
 
   // ID for special HTML element in category_tabs.html
   HSTSView.TAB_HANDLE_ID = 'tab-handle-hsts';
 
   // IDs for special HTML elements in hsts_view.html
   HSTSView.MAIN_BOX_ID = 'hsts-view-tab-content';
@@ skipping 106 matching lines @@
     element.style.webkitTransitionDuration = '0';
     element.style.backgroundColor = '#fffccf';
     setTimeout(function() {
       element.style.webkitTransitionDuration = '1000ms';
       element.style.backgroundColor = '#fff';
     }, 0);
   }
 
   return HSTSView;
 })();