Make some updates to extension iconography.

chrome/browser/resources/ntp4/new_tab.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.
 
 /**
  * @fileoverview New tab page 4
  * This is the main code for a previous version of the Chrome NTP ("NTP4").
  * Some parts of this are still used for the chrome://apps page.
  */
 
@@ skipping 247 matching lines @@
    */
   function themeChanged(opt_themeData) {
     $('themecss').href = 'chrome://theme/css/new_tab_theme.css?' + Date.now();
   }
 
   function setBookmarkBarAttached(attached) {
     document.documentElement.setAttribute('bookmarkbarattached', attached);
   }
 
   /**
-   * Set the dominant color for a node. This will be called in response to
-   * getFaviconDominantColor. The node represented by |id| better have a setter
-   * for stripeColor.
-   * @param {string} id The ID of a node.
-   * @param {string} color The color represented as a CSS string.
-   */
-  function setFaviconDominantColor(id, color) {
-    var node = $(id);
-    if (node)
-      node.stripeColor = color;
-  }
-
-  /**
    * Updates the text displayed in the login container. If there is no text then
    * the login container is hidden.
    * @param {string} loginHeader The first line of text.
    * @param {string} loginSubHeader The second line of text.
    * @param {string} iconURL The url for the login status icon. If this is null
         then the login status icon is hidden.
    * @param {boolean} isUserSignedIn Indicates if the user is signed in or not.
    */
   function updateLogin(loginHeader, loginSubHeader, iconURL, isUserSignedIn) {
     /** @const */ var showLogin = loginHeader || loginSubHeader;
@@ skipping 150 matching lines @@
     appLauncherPromoPrefChangeCallback: appLauncherPromoPrefChangeCallback,
     enterRearrangeMode: enterRearrangeMode,
     getAppsCallback: getAppsCallback,
     getAppsPageIndex: getAppsPageIndex,
     getCardSlider: getCardSlider,
     onLoad: onLoad,
     leaveRearrangeMode: leaveRearrangeMode,
     saveAppPageName: saveAppPageName,
     setAppToBeHighlighted: setAppToBeHighlighted,
     setBookmarkBarAttached: setBookmarkBarAttached,
-    setFaviconDominantColor: setFaviconDominantColor,
     themeChanged: themeChanged,
     updateLogin: updateLogin
   };
 });
 
 document.addEventListener('DOMContentLoaded', ntp.onLoad);
 
 var toCssPx = cr.ui.toCssPx;