Pepper Flash settings integration: add UI for "deauthorize content licenses".

chrome/browser/resources/options2/options_page.css

 /* 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. */
 
 body {
   position: relative;
 }
 
 #main-content {
   bottom: 0;
@@ skipping 407 matching lines @@
 list.autocomplete-suggestions:not([hasElementFocus]) > [lead][selected] {
   background-color: rgb(187, 206, 233);
 }
 
 html:not([hasFlashPlugin]) .flash-plugin-area,
 /* If the Flash plug-in supports the NPP_ClearSiteData API, we don't need to
  * show the link to the Flash storage settings manager:
  */
 html[flashPluginSupportsClearSiteData] .flash-plugin-area,
 html:not([flashPluginSupportsClearSiteData]) .clear-plugin-lso-data-enabled,
-html[flashPluginSupportsClearSiteData] .clear-plugin-lso-data-disabled {
+html[flashPluginSupportsClearSiteData] .clear-plugin-lso-data-disabled,
+html:not([enablePepperFlashSettings]) .pepper-flash-settings {
   display: none;
 }
 
 /* Controlled setting indicator and bubble. */
 .controlled-setting-indicator {
   display: inline-block;
   /* Establish a containing block for absolutely positioning the bubble. */
   position: relative;
   vertical-align: text-bottom;
 }
@@ skipping 105 matching lines @@
       url('chrome://theme/IDR_CONTROLLED_SETTING_RECOMMENDED_LARGE');
 }
 
 html[dir='rtl'] .controlled-setting-bubble-text {
   background-position: right top;
 }
 
 .controlled-setting-bubble-action {
   padding: 0 !important;
 }