Reverting CL 1332929 to enable OOBE's PIN setup input

Bug: 900351, b/145275297, 1025736
Change-Id: Ic00d70ff5521ca9b9f10eead8fab17c1d590e23f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1939790
Commit-Queue: Thomas Tellier <tellier@google.com>
Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Reviewed-by: Alexander Alekseev <alemate@chromium.org>
Cr-Commit-Position: refs/heads/master@{#719961}

chrome/browser/resources/chromeos/login/discover/modules/discover_module_pin_setup.html

@@ -107,8 +107,7 @@
             set-modes="{{setModes}}"
             quick-unlock-private="[[quickUnlockPrivate_]]"
             write-uma="[[writeUma_]]"
-            class="focus-on-show"
-            is-incognito-ui>
+            class="focus-on-show">
         </setup-pin-keyboard>
       </div>
       <div slot="footer" class="flex layout vertical center

ui/webui/resources/cr_components/chromeos/quick_unlock/pin_keyboard.html

@@ -177,7 +177,6 @@
       }
 
       #pinInput[make-contrast] {
-        --cr-disabled-opacity: var(--dark-primary-opacity);
         opacity: var(--dark-primary-opacity);
       }
 
@@ -200,7 +199,7 @@
             placeholder="[[getInputPlaceholder_(enablePassword,
                 enablePlaceholder)]]"
             on-keydown="onInputKeyDown_" force-underline="true"
-            disabled="[[crInputDisabled_(disabled, isIncognitoUi)]]">
+            disabled="[[disabled]]">
         </cr-input>
       </div>
       <slot select="[problem]"></slot>

ui/webui/resources/cr_components/chromeos/quick_unlock/pin_keyboard.js

@@ -158,15 +158,6 @@ Polymer({
       value: false,
     },
 
-    /**
-     * Turns on "incognito mode". (FIXME after https://crbug.com/900351 is
-     * fixed).
-     */
-    isIncognitoUi: {
-      type: Boolean,
-      value: false,
-    },
-
     /**
      * The aria label to be used for the input element.
      */
@@ -533,13 +524,5 @@ Polymer({
     return this.passwordElement ||
         (/** @type {CrInputElement} */ (this.$.pinInput)).inputElement;
   },
-
-  /**
-   * Needed for "incognito mode". (FIXME after https://crbug.com/900351 is
-   * fixed).
-   */
-  crInputDisabled_: function() {
-    return this.disabled || this.isIncognitoUi;
-  },
 });
 })();

ui/webui/resources/cr_components/chromeos/quick_unlock/setup_pin_keyboard.html

@@ -81,8 +81,7 @@ Where:
     <pin-keyboard id="pinKeyboard" on-pin-change="onPinChange_"
         on-submit="onPinSubmit_" value="{{pinKeyboardValue_}}"
         has-error="[[hasError_(problemMessageId_, problemClass_)]]"
-        enable-placeholder="[[enablePlaceholder]]" enable-letters
-        is-incognito-ui="[[isIncognitoUi]]">
+        enable-placeholder="[[enablePlaceholder]]" enable-letters>
       <!-- Warning/error; only shown if title is hidden. -->
       <div id="problemDiv" class$="[[problemClass_]]"
           invisible$="[[!problemMessageId_]]" problem>

ui/webui/resources/cr_components/chromeos/quick_unlock/setup_pin_keyboard.js

@@ -135,15 +135,6 @@ Polymer({
       type: Boolean,
       value: false,
     },
-
-    /**
-     * Turns on "incognito mode". (FIXME after https://crbug.com/900351 is
-     * fixed).
-     */
-    isIncognitoUi: {
-      type: Boolean,
-      value: false,
-    },
   },
 
   focus: function() {