NTP4: Remove some dead code dealing with footer layout

chrome/browser/resources/ntp4/tile_page.js

 // 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.
 
 cr.define('ntp', function() {
   'use strict';
 
   // We can't pass the currently dragging tile via dataTransfer because of
   // http://crbug.com/31037
   var currentlyDraggingTile = null;
@@ skipping 482 matching lines @@
     /**
      * Returns the width of the scrollbar, in pixels, if it is active, or 0
      * otherwise.
      * @type {number}
      */
     get scrollbarWidth() {
       return this.scrollbar_.hidden ? 0 : 13;
     },
 
     /**
-     * Returns any extra padding to insert to the bottom of a tile page.  By
-     * default there is none, but subclasses can override.
-     * @type {number}
-     */
-    get extraBottomPadding() {
-      return 0;
-    },
-
-    /**
      * The notification content of this tile (if any, otherwise null).
      * @type {!HTMLElement}
      */
     get notification() {
       return this.topMargin_.nextElementSibling.id == 'notification-container' ?
           this.topMargin_.nextElementSibling : null;
     },
     /**
      * The notification content of this tile (if any, otherwise null).
      * @type {!HTMLElement}
@@ skipping 576 matching lines @@
     /**
      * Called when the height of |this| has changed: update the size of
      * tileGrid.
      * @private
      */
     heightChanged_: function() {
       // The tile grid will expand to the bottom footer, or enough to hold all
       // the tiles, whichever is greater. It would be nicer if tilePage were
       // a flex box, and the tile grid could be box-flex: 1, but this exposes a
       // bug where repositioning tiles will cause the scroll position to reset.
-      this.tileGrid_.style.minHeight = (this.clientHeight -
-          this.tileGrid_.offsetTop - this.content_.offsetTop -
-          this.extraBottomPadding -
-          (this.footerNode_ ? this.footerNode_.clientHeight : 0)) + 'px';
-    },
-
-     /**
-      * Places an element at the bottom of the content div. Used in bare-minimum
-      * mode to hold #footer.
-      * @param {HTMLElement} footerNode The node to append to content.
-      */
-    appendFooter: function(footerNode) {
-      this.footerNode_ = footerNode;
-      this.content_.appendChild(footerNode);
+      this.tileGrid_.style.minHeight = this.clientHeight -
+          this.tileGrid_.offsetTop - this.content_.offsetTop + 'px';
     },
 
     /**
      * Scrolls the page in response to an mousewheel event, although the event
      * may have been triggered on a different element. Return true if the
      * event triggered scrolling, and false otherwise.
      * This is called explicitly, which allows a consistent experience whether
      * the user scrolls on the page or on the page switcher, because this
      * function provides a common conversion factor between wheel delta and
      * scroll delta.
@@ skipping 267 matching lines @@
   };
 
   return {
     getCurrentlyDraggingTile: getCurrentlyDraggingTile,
     setCurrentDropEffect: setCurrentDropEffect,
     // Not used outside, just for usage in JSDoc inside this file.
     Tile: Tile,
     TilePage: TilePage,
   };
 });