Disable flaky test WebNavigationApiTest.ServerRedirect on Linux

chrome/browser/extensions/api/web_navigation/web_navigation_apitest.cc

Index: chrome/browser/extensions/api/web_navigation/web_navigation_apitest.cc
diff --git a/chrome/browser/extensions/api/web_navigation/web_navigation_apitest.cc b/chrome/browser/extensions/api/web_navigation/web_navigation_apitest.cc
index c542d111c49ef9acf6473ec40bc9d6bd31a91488..04907864bdec0dd5a2a2052740c888ce6c1e20a2 100644
--- a/chrome/browser/extensions/api/web_navigation/web_navigation_apitest.cc
+++ b/chrome/browser/extensions/api/web_navigation/web_navigation_apitest.cc
@@ -405,7 +405,12 @@ IN_PROC_BROWSER_TEST_F(WebNavigationApiTest, ClientRedirect) {
       << message_;
 }
 
-IN_PROC_BROWSER_TEST_F(WebNavigationApiTest, ServerRedirect) {
+#if defined(OS_LINUX)  // http://crbug.com/660288
+#define MAYBE_ServerRedirect DISABLED_ServerRedirect
+#else
+#define MAYBE_ServerRedirect ServerRedirect
+#endif
+IN_PROC_BROWSER_TEST_F(WebNavigationApiTest, MAYBE_ServerRedirect) {
   ASSERT_TRUE(StartEmbeddedTestServer());
   ASSERT_TRUE(RunExtensionTest("webnavigation/serverRedirect"))
       << message_;