Settings: Hide fingerprint setup from options.

chrome/browser/resources/settings/people_page/lock_screen.html

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/html/action_link.html">
 <link rel="import" href="chrome://resources/html/action_link_css.html">
 <link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button-light.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-radio-group/paper-radio-group.html">
 <link rel="import" href="../controls/settings_toggle_button.html">
 <link rel="import" href="fingerprint_browser_proxy.html">
 <link rel="import" href="lock_screen_constants.html">
 <link rel="import" href="lock_state_behavior.html">
@@ skipping 32 matching lines @@
       </div>
 
       <div class="settings-box">
         <settings-toggle-button class="start"
             pref="{{prefs.settings.enable_screen_lock}}"
             label="$i18n{enableScreenlock}">
         </settings-toggle-button>
       </div>
 
       <template is="dom-if" if="[[fingerprintUnlockEnabled_]]">
-        <div class="settings-box">
-          <settings-toggle-button class="start"
-              pref="{{prefs.settings.enable_quick_unlock_fingerprint}}"
-              label="$i18n{lockScreenFingerprintEnable}">
-          </settings-toggle-button>
+        <div class="fingerprint-div">

[stevenjb, 2017/02/22 22:07:45]

For unique identifiers use an id, not a class, e.g. fingerprintDiv.

[sammiequon, 2017/02/23 01:54:41]

Done.

+          <div class="settings-box">
+            <settings-toggle-button class="start"
+                pref="{{prefs.settings.enable_quick_unlock_fingerprint}}"
+                label="$i18n{lockScreenFingerprintEnable}">
+            </settings-toggle-button>
+          </div>
+          <iron-collapse
+              opened="[[prefs.settings.enable_quick_unlock_fingerprint.value]]">
+            <div class="settings-box continuation" on-tap="onEditFingerprints_"
+                actionable>
+              <div class="start">
+                $i18n{lockScreenEditFingerprints}
+                <div class="secondary" id="lockScreenEditFingerprintsSecondary">
+                  [[getDescriptionText_(numFingerprints_)]]
+                </div>
+              </div>
+              <button class="subpage-arrow" is="paper-icon-button-light"
+                  aria-label="$i18n{lockScreenEditFingerprints}"
+                  aria-describedby="lockScreenEditFingerprintsSecondary"></button>
+            </div>
+          </iron-collapse>
         </div>
-        <iron-collapse
-            opened="[[prefs.settings.enable_quick_unlock_fingerprint.value]]">
-          <div class="settings-box continuation" on-tap="onEditFingerprints_"
-              actionable>
-            <div class="start">
-              $i18n{lockScreenEditFingerprints}
-              <div class="secondary" id="lockScreenEditFingerprintsSecondary">
-                [[getDescriptionText_(numFingerprints_)]]
-              </div>
-            </div>
-            <button class="subpage-arrow" is="paper-icon-button-light"
-                aria-label="$i18n{lockScreenEditFingerprints}"
-                aria-describedby="lockScreenEditFingerprintsSecondary"></button>
-          </div>
-        </iron-collapse>
       </template>
 
       <settings-password-prompt-dialog id="passwordPrompt"
           on-close="onPasswordClosed_" set-modes="{{setModes_}}">
       </settings-password-prompt-dialog>
       <settings-setup-pin-dialog id="setupPin" on-done="onPinSetupDone_"
           set-modes="[[setModes_]]">
       </settings-setup-pin-dialog>
     </div>
   </template>
 
   <script src="lock_screen.js"></script>
 </dom-module>