[MD settings] PrivacyAndSecurity settings closer to mocks

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

Index: chrome/browser/resources/settings/privacy_page/privacy_page.html
diff --git a/chrome/browser/resources/settings/privacy_page/privacy_page.html b/chrome/browser/resources/settings/privacy_page/privacy_page.html
index 254e19746abf0501168bcc6bd0565eef3d29018c..2e6650a4263e29a07703f8a93cadba28bd904833 100644
--- a/chrome/browser/resources/settings/privacy_page/privacy_page.html
+++ b/chrome/browser/resources/settings/privacy_page/privacy_page.html
@@ -71,18 +71,22 @@
 </if>
         </div>
         <div class="settings-box" on-tap="onManageCertificatesTap_">
-          <paper-item>
-            <paper-item-body>
-              <div i18n-content="manageCertificates"></div>
-            </paper-item-body>
-          </paper-item>
+          <div class="start">
+            <div i18n-content="manageCertificates"></div>
+            <div class="secondary">
+              <!-- TODO(dschuyler) replace this placeholder text -->
+              Contrary to popular belief, Lorem Ipsum is not simply random text.
+            </div>
+          </div>
         </div>
         <div class="settings-box" on-tap="onSiteSettingsTap_">
-          <paper-item>
-            <paper-item-body>
-              <div i18n-content="siteSettings"></div>
-            </paper-item-body>
-          </paper-item>
+          <div class="start">
+            <div i18n-content="siteSettings"></div>
+            <div class="secondary">
+              <!-- TODO(dschuyler) replace this placeholder text -->
+              Contrary to popular belief, Lorem Ipsum is not simply random text.
+            </div>
+          </div>
         </div>
         <div class="settings-box">
           <paper-button on-tap="onClearBrowsingDataTap_"