[ChromeOS] Reland - Make WebUI login use only needed resources.

chrome/browser/resources/chromeos/login/screen_signin.js

Index: chrome/browser/resources/chromeos/login/screen_signin.js
diff --git a/chrome/browser/resources/chromeos/login/screen_signin.js b/chrome/browser/resources/chromeos/login/screen_signin.js
deleted file mode 100644
index e7e6b3485f714ff7c17b17f7aab4512332c1b1d7..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/chromeos/login/screen_signin.js
+++ /dev/null
@@ -1,163 +0,0 @@
-// Copyright (c) 2011 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.
-
-/**
- * @fileoverview Oobe signin screen implementation.
- */
-
-cr.define('login', function() {
-  /**
-   * Creates a new sign in screen div.
-   * @constructor
-   * @extends {HTMLDivElement}
-   */
-  var SigninScreen = cr.ui.define('div');
-
-  // Constants for sign in screen states
-  SigninScreen.STATE_INPUT = 0;
-  SigninScreen.STATE_AUTHENTICATING = 1;
-
-  /**
-   * Registers with Oobe.
-   */
-  SigninScreen.register = function() {
-    var screen = $('signin');
-    SigninScreen.decorate(screen);
-    Oobe.getInstance().registerScreen(screen);
-  };
-
-  SigninScreen.prototype = {
-    __proto__: HTMLDivElement.prototype,
-
-    /** @inheritDoc */
-    decorate: function() {
-      $('email').addEventListener('keydown', this.handleKeyDown_.bind(this));
-      $('email').addEventListener('blur', this.handleEmailBlur_);
-      $('password').addEventListener('keydown', this.handleKeyDown_.bind(this));
-    },
-
-    /**
-     * Header text of the screen.
-     * @type {string}
-     */
-    get header() {
-      return localStrings.getString('signinScreenTitle');
-    },
-
-    /**
-     * Buttons in oobe wizard's button strip.
-     * @type {array} Array of Buttons.
-     */
-    get buttons() {
-      var buttons = [];
-
-      var signinButton = this.ownerDocument.createElement('button');
-      signinButton.id = 'signin-button';
-      signinButton.textContent = localStrings.getString('signinButton');
-      signinButton.addEventListener('click',
-          this.handleSigninClick_.bind(this));
-      buttons.push(signinButton);
-
-      return buttons;
-    },
-
-    /**
-     * Helper function to toggle spinner and input fields.
-     * @param {boolean} enable True to enable credential input UI.
-     * @private
-     */
-    enableInputs_: function(enable) {
-      $('login-spinner').hidden = enable;
-      $('email').hidden = !enable;
-      $('password').hidden = !enable;
-      $('signin-button').hidden = !enable;
-    },
-
-    /**
-     * Sets UI state.
-     */
-    set state(newState) {
-      if (newState == SigninScreen.STATE_INPUT) {
-        this.enableInputs_(true);
-      } else if (newState == SigninScreen.STATE_AUTHENTICATING) {
-        this.enableInputs_(false);
-     }
-    },
-
-    /**
-     * Clears input fields and switches to input mode.
-     * @param {boolean} takeFocus True to take focus.
-     */
-    reset: function(takeFocus) {
-      $('email').value = '';
-      $('password').value = '';
-      this.state = SigninScreen.STATE_INPUT;
-
-      if (takeFocus)
-        $('email').focus();
-    },
-
-    /**
-     * Validates input fields.
-     */
-    checkInput: function() {
-      // Validate input.
-      if (!$('email').value) {
-         $('email').focus();
-        return false;
-      }
-
-      if (!$('password').value) {
-        $('password').focus();
-        return false;
-      }
-
-      return true;
-    },
-
-    /**
-     * Handles sign in button click.
-     * @private
-     */
-    handleSigninClick_: function(e) {
-      if (!this.checkInput())
-        return;
-
-      this.state = SigninScreen.STATE_AUTHENTICATING;
-
-      chrome.send('authenticateUser',
-          [$('email').value, $('password').value]);
-    },
-
-    /**
-     * Handles keyboard event.
-     * @private
-     */
-    handleKeyDown_: function(e) {
-      // Handle 'Enter' key for 'email' and 'password' field.
-      if (e.keyIdentifier == 'Enter') {
-        if (e.target.id == 'email') {
-          if (e.target.value)
-            $('password').focus();
-        } else if (e.target.id == 'password') {
-          this.handleSigninClick_();
-        }
-      }
-    },
-
-    /**
-     * Handles blur event of email field.
-     * @private
-     */
-    handleEmailBlur_: function(e) {
-      var emailElement = $('email');
-      if (emailElement.value && emailElement.value.indexOf('@') == -1)
-        emailElement.value += '@gmail.com';
-    }
-  };
-
-  return {
-    SigninScreen: SigninScreen
-  };
-});