Mark ExtensionAPITest.Incognito as FLAKY for ChromiumOS.

chrome/browser/extensions/extension_incognito_apitest.cc

Index: chrome/browser/extensions/extension_incognito_apitest.cc
diff --git a/chrome/browser/extensions/extension_incognito_apitest.cc b/chrome/browser/extensions/extension_incognito_apitest.cc
index 372b7a6206ce63f33e6b6161fd7c8553ab510546..19e4c4274ccc70f1d097d334f5db076ac274a0c3 100644
--- a/chrome/browser/extensions/extension_incognito_apitest.cc
+++ b/chrome/browser/extensions/extension_incognito_apitest.cc
@@ -91,8 +91,16 @@ IN_PROC_BROWSER_TEST_F(ExtensionApiTest, DontCreateIncognitoProfile) {
   ASSERT_FALSE(browser()->profile()->HasOffTheRecordProfile());
 }
 
+// TODO(kochi): Flaky at r65757 and after on buildbot for ChromiumOS.
+// http://crosbug.com/9049
+#if defined(OS_CHROMEOS)
+#define MAYBE_Incognito FLAKY_Incognito
+#else
+#define MAYBE_Incognito Incognito
+#endif
+
 // Tests that the APIs in an incognito-enabled extension work properly.
-IN_PROC_BROWSER_TEST_F(ExtensionApiTest, Incognito) {
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_Incognito) {
   host_resolver()->AddRule("*", "127.0.0.1");
   ASSERT_TRUE(StartTestServer());