Disable ExtensionApiTest.Rlz which has become too flaky

chrome/browser/rlz/rlz_extension_apitest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <map>
 
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/extensions/extension_apitest.h"
@@ skipping 28 matching lines @@
 bool MockRlzSendFinancialPingFunction::RunImpl() {
   EXPECT_TRUE(RlzSendFinancialPingFunction::RunImpl());
   ++expected_count_;
   return true;
 }
 
 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.
   scoped_refptr<net::RuleBasedHostResolverProc> resolver =
       new net::RuleBasedHostResolverProc(host_resolver());
   resolver->AllowDirectLookup("*.google.com");
   net::ScopedDefaultHostResolverProc scoper(resolver);
 
   CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kEnableExperimentalExtensionApis);
@@ skipping 52 matching lines @@
   ASSERT_EQ(1, value);
 
   key.Open(HKEY_CURRENT_USER, L"Software\\Google\\Common\\Rlz\\Events\\D",
            KEY_READ);
   ASSERT_FALSE(key.Valid());
 #endif
 
   // Cleanup.
   rlz_lib::ClearProductState(rlz_lib::PINYIN_IME, access_points);
 }