[HBD] Update MD Site Settings Plugin section to show Flash title

chrome/browser/resources/settings/privacy_page/privacy_page.html

 <link rel="import" href="chrome://resources/cr_elements/policy/cr_policy_vars_css.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/html/web_ui_listener_behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout-classes.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/neon-animatable.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="/clear_browsing_data_dialog/clear_browsing_data_dialog.html">
 <link rel="import" href="/controls/settings_checkbox.html">
 <link rel="import" href="/route.html">
 <link rel="import" href="/settings_page/settings_animated_pages.html">
@@ skipping 245 matching lines @@
         </settings-subpage>
       </template>
       <template is="dom-if" route-path="/siteSettings/notifications" no-search>
         <settings-subpage page-title="$i18n{siteSettingsCategoryNotifications}">
           <site-settings-category
               selected-site="{{selectedSite}}"
               category="{{ContentSettingsTypes.NOTIFICATIONS}}">
           </site-settings-category>
         </settings-subpage>
       </template>
-      <template is="dom-if" route-path="/siteSettings/plugins" no-search>
-        <settings-subpage page-title="$i18n{siteSettingsPlugins}">
+      <template is="dom-if" route-path="/siteSettings/flash" no-search>
+        <settings-subpage page-title="$i18n{siteSettingsFlash}">
           <site-settings-category
               selected-site="{{selectedSite}}"
               category="{{ContentSettingsTypes.PLUGINS}}">
           </site-settings-category>
         </settings-subpage>
       </template>
       <template is="dom-if" route-path="/siteSettings/popups" no-search>
         <settings-subpage page-title="$i18n{siteSettingsCategoryPopups}">
           <site-settings-category
               selected-site="{{selectedSite}}"
@@ skipping 16 matching lines @@
       </template>
       <template is="dom-if" route-path="/siteSettings/siteDetails" no-search>
         <settings-subpage page-title="[[selectedSite.originForDisplay]]">
           <site-details site="[[selectedSite]]"></site-details>
         </settings-subpage>
       </template>
     </settings-animated-pages>
   </template>
   <script src="privacy_page.js"></script>
 </dom-module>