Disable ExtensionApiTest.Rlz which has become too flaky

chrome/browser/rlz/rlz_extension_apitest.cc

Index: chrome/browser/rlz/rlz_extension_apitest.cc
diff --git a/chrome/browser/rlz/rlz_extension_apitest.cc b/chrome/browser/rlz/rlz_extension_apitest.cc
index 1679d90d14772f855971baf94a848c9326649d9f..87705225441f454fbf781af11e1c8eff23101ae6 100644
--- a/chrome/browser/rlz/rlz_extension_apitest.cc
+++ b/chrome/browser/rlz/rlz_extension_apitest.cc
@@ -46,7 +46,14 @@ ExtensionFunction* MockRlzSendFinancialPingFunctionFactory() {
   return new MockRlzSendFinancialPingFunction();
 }
 
-IN_PROC_BROWSER_TEST_F(ExtensionApiTest, Rlz) {
+// Mac is flaky - http://crbug.com/137834.
+#if defined(OS_MACOSX)
+#define MAYBE_Rlz DISABLED_Rlz
+#else
+#define MAYBE_Rlz Rlz
+#endif
+
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_Rlz) {
   // The default test resolver doesn't allow lookups to *.google.com. That
   // makes sense, but it does make RLZ's SendFinancialPing() fail -- so allow
   // connections to google.com in this test.