Revert "Ensure cookie_controls_mode is set with block_third_party_cookies"

This reverts commit 21274196.

Reason for revert: Mac10.13 Tests trybot failures on CrSettingsPrivacyPageV3Test.PrivacyPageTests for all of the last 3 runs. (all runs since the test was updated in this CL)

Trybot runs: https://ci.chromium.org/p/chromium/builders/ci/Mac10.13%20Tests%20%28dbg%29
First failed run: https://ci.chromium.org/p/chromium/builders/ci/Mac10.13%20Tests%20%28dbg%29/17846

Original change's description:
> Ensure cookie_controls_mode is set with block_third_party_cookies
> 
> To ensure that the two related preferences, cookie_controls_mode and
> block_third_party_cookies remain in a consistent state, this CL updates
> the existing block_third_party_cookies toggle located in settings
> to update both preferences.
> 
> Bug: 1068144
> Change-Id: Ia64cb37c766a3143c6ac986efc67e87283852a8c
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2134261
> Reviewed-by: Christian Dullweber <dullweber@chromium.org>
> Reviewed-by: dpapad <dpapad@chromium.org>
> Commit-Queue: Theodore Olsauskas-Warren <sauski@google.com>
> Cr-Commit-Position: refs/heads/master@{#757019}

TBR=dpapad@chromium.org,dullweber@chromium.org,sauski@google.com

Change-Id: I207144aed2d417f7531676db12ad9c6fc7e8e992
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 1068144
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2140771Reviewed-by: Darwin Huang <huangdarwin@chromium.org>
Commit-Queue: Darwin Huang <huangdarwin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#757213}

chrome/browser/resources/settings/privacy_page/BUILD.gn

@@ -563,7 +563,7 @@ polymer_modulizer("privacy_page") {
                    "chrome/browser/resources/settings/metrics_browser_proxy.html|PrivacyElementInteractions,MetricsBrowserProxyImpl",
                    "chrome/browser/resources/settings/privacy_page/privacy_page_browser_proxy.html|PrivacyPageBrowserProxy,PrivacyPageBrowserProxyImpl",
                    "chrome/browser/resources/settings/site_settings/site_settings_prefs_browser_proxy.html|SiteSettingsPrefsBrowserProxyImpl",
-                   "chrome/browser/resources/settings/site_settings/constants.html|ContentSettingsTypes,CookieControlsMode,ChooserType",
+                   "chrome/browser/resources/settings/site_settings/constants.html|ContentSettingsTypes,ChooserType",
                    "chrome/browser/resources/settings/people_page/sync_browser_proxy.html|SyncBrowserProxyImpl,SyncStatus",
                    "chrome/browser/resources/settings/hats_browser_proxy.html|HatsBrowserProxyImpl",
                    "chrome/browser/resources/settings/page_visibility.html|PrivacyPageVisibility",

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

@@ -273,13 +273,9 @@
               sub-option-mode="cookies-session-only">
           </category-default-setting>
           <settings-toggle-button
-              id="blockThirdPartyCookies"
               pref="{{prefs.profile.block_third_party_cookies}}"
               label="$i18n{thirdPartyCookie}"
-              sub-label="$i18n{thirdPartyCookieSublabel}"
-              on-settings-boolean-control-change=
-                  "onBlockThirdPartyCookiesToggleChange_"
-              no-set-pref>
+              sub-label="$i18n{thirdPartyCookieSublabel}">
           </settings-toggle-button>
           <cr-link-row id="site-data-trigger" class="hr"
               on-click="onSiteDataTap_" label="$i18n{siteSettingsCookieLink}">

chrome/browser/resources/settings/privacy_page/privacy_page.js

@@ -415,20 +415,6 @@ cr.define('settings', function() {
       this.browserProxy_.setBlockAutoplayEnabled(target.checked);
     },
 
-    /**
-     * Updates both required block third party cookie preferences.
-     * @param {!Event} event
-     * @private
-     */
-    onBlockThirdPartyCookiesToggleChange_(event) {
-      const target = /** @type {!SettingsToggleButtonElement} */ (event.target);
-      this.setPrefValue('profile.block_third_party_cookies', target.checked);
-      this.setPrefValue(
-          'profile.cookie_controls_mode',
-          target.checked ? settings.CookieControlsMode.ENABLED :
-                           settings.CookieControlsMode.DISABLED);
-    },
-
     /**
      * Records changes made to the "can a website check if you have saved
      * payment methods" setting for logging, the logic of actually changing the

chrome/test/data/webui/settings/privacy_page_test.js

@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 // clang-format off
-// #import {CookieControlsMode, SiteSettingsPrefsBrowserProxyImpl} from 'chrome://settings/lazy_load.js';
+// #import {SiteSettingsPrefsBrowserProxyImpl} from 'chrome://settings/lazy_load.js';
 // #import {flush} from 'chrome://resources/polymer/v3_0/polymer/polymer_bundled.min.js';
 // #import {MetricsBrowserProxyImpl, PrivacyElementInteractions, PrivacyPageBrowserProxyImpl, SyncBrowserProxyImpl, HatsBrowserProxyImpl, Router, routes} from 'chrome://settings/settings.js';
 // #import {TestMetricsBrowserProxy} from 'chrome://test/settings/test_metrics_browser_proxy.m.js';
@@ -226,30 +226,6 @@ suite('PrivacyPage', function() {
           test_util.isChildVisible(page, '#security-keys-subpage-trigger'));
     }
   });
-
-  test('BlockThirdPartyCookiesToggle', async function() {
-    page.prefs.profile.block_third_party_cookies = {value: false};
-    page.prefs.profile.cookie_controls_mode = {
-      value: settings.CookieControlsMode.DISABLED
-    };
-    settings.Router.getInstance().navigateTo(
-        settings.routes.SITE_SETTINGS_COOKIES);
-    Polymer.dom.flush();
-
-    page.$$('#blockThirdPartyCookies').click();
-    Polymer.dom.flush();
-    assertTrue(page.prefs.profile.block_third_party_cookies.value);
-    assertEquals(
-        page.prefs.profile.cookie_controls_mode.value,
-        settings.CookieControlsMode.ENABLED);
-
-    page.$$('#blockThirdPartyCookies').click();
-    Polymer.dom.flush();
-    assertFalse(page.prefs.profile.block_third_party_cookies.value);
-    assertEquals(
-        page.prefs.profile.cookie_controls_mode.value,
-        settings.CookieControlsMode.DISABLED);
-  });
 });
 
 suite('PrivacyPageRedesignEnabled', function() {