Introduce a CookieSettings for incognito mode

chrome/browser/content_settings/cookie_settings_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "base/auto_reset.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/content_settings/cookie_settings.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_profile.h"
@@ skipping 263 matching lines @@
 
 TEST_F(CookieSettingsTest, ExtensionsThirdParty) {
   profile_.GetPrefs()->SetBoolean(prefs::kBlockThirdPartyCookies, true);
 
   // XHRs stemming from extensions are exempt from third-party cookie blocking
   // rules (as the first party is always the extension's security origin).
   EXPECT_TRUE(cookie_settings_->IsSettingCookieAllowed(
       kBlockedSite, kExtensionURL));
 }
 
+TEST_F(CookieSettingsTest, IncognitoBehaviorOfBlockingRules) {
+  scoped_refptr<CookieSettings> incognito_settings =
+      CookieSettings::Factory::GetForProfile(profile_.GetOffTheRecordProfile());
+
+  // Modify the regular cookie settings after the incognito cookie settings have
+  // been instantiated.
+  cookie_settings_->SetCookieSetting(
+      ContentSettingsPattern::FromURL(kBlockedSite),
+      ContentSettingsPattern::Wildcard(),
+      CONTENT_SETTING_BLOCK);
+
+  // The modification should apply to the regular profile and incognito profile.
+  EXPECT_FALSE(cookie_settings_->IsReadingCookieAllowed(
+      kBlockedSite, kBlockedSite));
+  EXPECT_FALSE(incognito_settings->IsReadingCookieAllowed(
+      kBlockedSite, kBlockedSite));
+
+  // Modify an incognito cookie setting and check that this does not propagate
+  // into regular mode.
+  incognito_settings->SetCookieSetting(
+      ContentSettingsPattern::FromURL(kHttpsSite),
+      ContentSettingsPattern::Wildcard(),
+      CONTENT_SETTING_BLOCK);
+  EXPECT_TRUE(cookie_settings_->IsReadingCookieAllowed(
+      kHttpsSite, kHttpsSite));
+  EXPECT_FALSE(incognito_settings->IsReadingCookieAllowed(
+      kHttpsSite, kHttpsSite));
+}
+
+TEST_F(CookieSettingsTest, IncognitoBehaviorOfBlockingEverything) {
+  scoped_refptr<CookieSettings> incognito_settings =
+      CookieSettings::Factory::GetForProfile(profile_.GetOffTheRecordProfile());
+
+  // Apply the general blocking to the regular profile.
+  cookie_settings_->SetDefaultCookieSetting(CONTENT_SETTING_BLOCK);
+
+  // It should be effective for regular and incognito session.
+  EXPECT_FALSE(cookie_settings_->IsReadingCookieAllowed(
+      kFirstPartySite, kFirstPartySite));
+  EXPECT_FALSE(incognito_settings->IsReadingCookieAllowed(
+      kFirstPartySite, kFirstPartySite));
+
+  // A whitelisted item set in incognito mode should only apply to incognito
+  // mode.
+  incognito_settings->SetCookieSetting(
+      ContentSettingsPattern::FromURL(kAllowedSite),
+      ContentSettingsPattern::Wildcard(),
+      CONTENT_SETTING_ALLOW);
+  EXPECT_TRUE(incognito_settings->IsReadingCookieAllowed(
+      kAllowedSite, kAllowedSite));
+  EXPECT_FALSE(cookie_settings_->IsReadingCookieAllowed(
+      kAllowedSite, kAllowedSite));
+
+  // A whitelisted item set in regular mode should apply to regular and
+  // incognito mode.
+  cookie_settings_->SetCookieSetting(
+      ContentSettingsPattern::FromURL(kHttpsSite),
+      ContentSettingsPattern::Wildcard(),
+      CONTENT_SETTING_ALLOW);
+  EXPECT_TRUE(incognito_settings->IsReadingCookieAllowed(
+      kHttpsSite, kHttpsSite));
+  EXPECT_TRUE(cookie_settings_->IsReadingCookieAllowed(
+      kHttpsSite, kHttpsSite));
+}
+
 }  // namespace