Enable incognito_session_only preferences

chrome/test/data/extensions/api_test/content_settings/session_only_incognito/test.html

Index: chrome/test/data/extensions/api_test/content_settings/session_only_incognito/test.html
diff --git a/chrome/test/data/extensions/api_test/content_settings/session_only_incognito/test.html b/chrome/test/data/extensions/api_test/content_settings/session_only_incognito/test.html
new file mode 100644
index 0000000000000000000000000000000000000000..3fac32a78e1b00d087185baff7ff019aebb9d8ae
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/content_settings/session_only_incognito/test.html
@@ -0,0 +1,82 @@
+<script>
+// Content settings API test
+// Run with browser_tests --gtest_filter=ExtensionApiTest.SessionOnlyIncognitoContentSettings
+
+var cs = chrome.experimental.contentSettings;
+function expect(expected, message) {
+  return chrome.test.callbackPass(function(value) {
+    chrome.test.assertNoLastError();
+    chrome.test.assertEq(expected, value, message);
+  });
+}
+chrome.test.runTests([
+  function getRegular() {
+    cs.misc.blockThirdPartyCookies.get(
+        {},
+        expect({ 'value': false,
+                 'levelOfControl': "ControllableByThisExtension" },
+               "third-party cookies should not be blocked"));
+  },
+  function getIncognito() {
+    cs.misc.blockThirdPartyCookies.get(
+        { 'incognito': true },
+        expect({ 'value': false,
+                 'incognitoSpecific': false,
+                 'levelOfControl': "ControllableByThisExtension" },
+               "third-party cookies should not be blocked in incognito mode"));
+  },
+  function set() {
+    cs.misc.blockThirdPartyCookies.set(
+        { 'scope': 'incognito_persistent', 'value': true },
+        chrome.test.callbackPass());
+  },
+  function getRegular2() {
+    cs.misc.blockThirdPartyCookies.get(
+        {},
+        expect({ 'value': false,
+                 'levelOfControl': "ControllableByThisExtension" },
+               "third-party cookies should not be blocked"));
+  },
+  function getIncognito2() {
+    cs.misc.blockThirdPartyCookies.get(
+        { 'incognito': true },
+        expect({ 'value': true,
+                 'incognitoSpecific': true,
+                 'levelOfControl': "ControlledByThisExtension" },
+               "third-party cookies should be blocked in incognito mode"));
+  },
+  // We cannot set session_only_persistent preferences if there is no incognito
+  // session.
+  function set2() {
+    cs.misc.blockThirdPartyCookies.set(
+        { 'scope': 'incognito_session_only', 'value': false },
+        chrome.test.callbackFail("You cannot set a preference with scope " +
+                                 "'incognito_session_only' when no incognito " +
+                                 "window is open."));
+  },
+  function openIncognito() {
+    chrome.windows.create({incognito: true}, chrome.test.callbackPass());
+  },
+  // session_only_persistent overrides incognito_persistent.
+  function set3() {
+    cs.misc.blockThirdPartyCookies.set(
+        { 'scope': 'incognito_session_only', 'value': false },
+        chrome.test.callbackPass());
+  },
+  function getRegular3() {
+    cs.misc.blockThirdPartyCookies.get(
+        {},
+        expect({ 'value': false,
+                 'levelOfControl': "ControllableByThisExtension" },
+               "third-party cookies should not be blocked"));
+  },
+  function getIncognito3() {
+    cs.misc.blockThirdPartyCookies.get(
+        { 'incognito': true },
+        expect({ 'value': false,
+                 'incognitoSpecific': true,
+                 'levelOfControl': "ControlledByThisExtension" },
+               "third-party cookies should be blocked in incognito mode"));
+  },
+]);
+</script>