Introduce a CookieSettings for incognito mode

chrome/browser/content_settings/cookie_settings_unittest.cc

Index: chrome/browser/content_settings/cookie_settings_unittest.cc
diff --git a/chrome/browser/content_settings/cookie_settings_unittest.cc b/chrome/browser/content_settings/cookie_settings_unittest.cc
index 30b547f7e00d28c04e3add8ccbf9f10dcae3b8fa..60e5a94fb091bba656d64c5b2c0eabec04189f93 100644
--- a/chrome/browser/content_settings/cookie_settings_unittest.cc
+++ b/chrome/browser/content_settings/cookie_settings_unittest.cc
@@ -281,4 +281,69 @@ TEST_F(CookieSettingsTest, ExtensionsThirdParty) {
       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