Disable ExtensionApiTest.PreferenceIncognitoDisabled, which flakily times out

BUG=106144
TEST=none
TBR=mkwst@chromium.org

Review URL: http://codereview.chromium.org/8771029

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@112620 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/extensions/extension_preference_apitest.cc

@@ -73,7 +73,8 @@ IN_PROC_BROWSER_TEST_F(ExtensionApiTest, PreferencePersistentIncognito) {
   EXPECT_FALSE(prefs->GetBoolean(prefs::kBlockThirdPartyCookies));
 }
 
-IN_PROC_BROWSER_TEST_F(ExtensionApiTest, PreferenceIncognitoDisabled) {
+// Flakily times out: http://crbug.com/106144
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, DISABLED_PreferenceIncognitoDisabled) {
   CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kEnableExperimentalExtensionApis);