Disable DevToolsSanityTest.TestPauseWhenLoadingDevTools for flakiness.

chrome/browser/devtools/devtools_sanity_browsertest.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 "base/bind.h"
 #include "base/cancelable_callback.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/path_service.h"
@@ skipping 787 matching lines @@
 #define MAYBE_TestNoScriptDuplicatesOnPanelSwitch \
   TestNoScriptDuplicatesOnPanelSwitch
 #endif
 
 // Tests that scripts are not duplicated after Scripts Panel switch.
 IN_PROC_BROWSER_TEST_F(DevToolsSanityTest,
                        MAYBE_TestNoScriptDuplicatesOnPanelSwitch) {
   RunTest("testNoScriptDuplicatesOnPanelSwitch", kDebuggerTestPage);
 }
 
+#if defined(OS_WIN) || defined(OS_LINUX) || defined(OS_CHROMEOS)
+#define MAYBE_TestPauseWhenLoadingDevTools DISABLED_TestPauseWhenLoadingDevTools
+#else
+#define MAYBE_TestPauseWhenLoadingDevTools TestPauseWhenLoadingDevTools
+#endif
 // Tests that debugger works correctly if pause event occurs when DevTools
 // frontend is being loaded.
+// Disabled because of flakiness on multiple platforms: crbug.com/329036
 IN_PROC_BROWSER_TEST_F(DevToolsSanityTest,
-                       TestPauseWhenLoadingDevTools) {
+                       MAYBE_TestPauseWhenLoadingDevTools) {
   RunTest("testPauseWhenLoadingDevTools", kPauseWhenLoadingDevTools);
 }
 
 // Tests that pressing 'Pause' will pause script execution if the script
 // is already running.
 #if defined(OS_WIN)
 // Timing out on windows tryservers: http://crbug.com/219515
 #define MAYBE_TestPauseWhenScriptIsRunning DISABLED_TestPauseWhenScriptIsRunning
 #elif defined(OS_LINUX) && !defined(OS_CHROMEOS) && defined(ARCH_CPU_ARM_FAMILY)
 // Timing out on linux ARM bot: https://crbug/238453
@@ skipping 165 matching lines @@
 #if defined(OS_WIN) && defined(USE_ASH)
   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
     return;
 #endif
 
   ASSERT_TRUE(RunExtensionTest("target_list")) << message_;
 }
 
 }  // namespace