Mark several tabs as flaky and ignore on mac.

chrome/test/startup/startup_test.cc

 // Copyright (c) 2010 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 "base/env_var.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/platform_thread.h"
 #include "base/string_util.h"
 #include "base/sys_info.h"
@@ skipping 184 matching lines @@
   }
   RunStartupTest("warm", test_name,
                  false, false,
                  UITest::DEFAULT_THEME);
 }
 
 TEST_F(StartupTest, PerfFewTabs) {
   RunPerfTestWithManyTabs("few_tabs", 5, false);
 }
 
-TEST_F(StartupTest, PerfSeveralTabs) {
-  RunPerfTestWithManyTabs("several_tabs", 20, false);
-}
-
 TEST_F(StartupTest, PerfRestoreFewTabs) {
   RunPerfTestWithManyTabs("restore_few_tabs", 5, true);
 }
 
-TEST_F(StartupTest, PerfRestoreSeveralTabs) {
-  RunPerfTestWithManyTabs("restore_several_tabs", 20, true);
+// http://crbug.com/46609
+#if defined(OS_MACOSX)
+#define MAYBE_PerfSeveralTabs FLAKY_PerfSeveralTabs
+#define MAYBE_PerfRestoreSeveralTabs FLAKY_PerfRestoreSeveralTabs
+#else
+#define MAYBE_PerfSeveralTabs PerfSeveralTabs
+#define MAYBE_PerfRestoreSeveralTabs PerfRestoreSeveralTabs
+#endif
+
+TEST_F(StartupTest, MAYBE_PerfSeveralTabs) {
+  RunPerfTestWithManyTabs("several_tabs", 10, false);
+}
+
+TEST_F(StartupTest, MAYBE_PerfRestoreSeveralTabs) {
+  RunPerfTestWithManyTabs("restore_several_tabs", 10, true);
 }
 
 TEST_F(StartupTest, PerfExtensionEmpty) {
   SetUpWithFileURL();
   SetUpWithExtensionsProfile("empty");
   RunStartupTest("warm", "extension_empty",
                  false /* cold */, false /* not important */,
                  UITest::DEFAULT_THEME);
 }
 
@@ skipping 60 matching lines @@
                  false /* not important */, UITest::CUSTOM_FRAME);
 }
 
 TEST_F(StartupTest, PerfColdNativeFrameGtkTheme) {
   RunStartupTest("warm", "custom-frame-gtk-theme", false /* warm */,
                  false /* not important */, UITest::CUSTOM_FRAME_NATIVE_THEME);
 }
 #endif
 
 }  // namespace