Reduce the height of the feedback page.

chrome/browser/resources/feedback/js/event_handler.js

 // Copyright 2013 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.
 
 /**
  * @type {number}
  * @const
  */
 var FEEDBACK_WIDTH = 500;
 /**
  * @type {number}
  * @const
  */
-var FEEDBACK_HEIGHT = 625;
+var FEEDBACK_HEIGHT = 585;
 
 var initialFeedbackInfo = null;
 
 var whitelistedExtensionIds = [
   'bpmcpldpdmajfigpchkicefoigmkfalc', // QuickOffice
   'ehibbfinohgbchlgdbfpikodjaojhccn', // QuickOffice
   'gbkeegbaiigmenfmjfclcdgdpimamgkj', // QuickOffice
   'efjnaogkjbogokcnohkmnjdojkikgobo', // G+ Photos
   'ebpbnabdhheoknfklmpddcdijjkmklkp', // G+ Photos
   'endkpmfloggdajndjpoekmkjnkolfdbf', // Feedback Extension
@@ skipping 58 matching lines @@
       width: FEEDBACK_WIDTH,
       height: FEEDBACK_HEIGHT,
       hidden: true,
       resizable: false },
       function(appWindow) {});
 }
 
 chrome.runtime.onMessage.addListener(feedbackReadyHandler);
 chrome.runtime.onMessageExternal.addListener(requestFeedbackHandler);
 chrome.feedbackPrivate.onFeedbackRequested.addListener(startFeedbackUI);