DevTools: fix flakiness of DevToolsSanityTest/TestProfilerTab.

chrome/browser/debugger/devtools_sanity_unittest.cc

 // Copyright (c) 2009 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/command_line.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/debugger/devtools_client_host.h"
 #include "chrome/browser/debugger/devtools_manager.h"
 #include "chrome/browser/debugger/devtools_window.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
@@ skipping 127 matching lines @@
 IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestEnableResourcesTab) {
   RunTest("testEnableResourcesTab", kSimplePage);
 }
 
 // Tests resource headers.
 IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestResourceHeaders) {
   RunTest("testResourceHeaders", kResourceTestPage);
 }
 
 // Tests profiler panel.
-// Flaky, http://crbug.com/21108
-IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, DISABLED_TestProfilerTab) {
+IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestProfilerTab) {
   RunTest("testProfilerTab", kJsPage);
 }
 
 // Tests scripts panel showing.
 // http://crbug.com/16767
 IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestShowScriptsTab) {
   RunTest("testShowScriptsTab", kDebuggerTestPage);
 }
 
 // Tests set breakpoint.
@@ skipping 21 matching lines @@
 IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestEvalGlobal) {
   RunTest("testEvalGlobal", kEvalTestPage);
 }
 
 // Tests eval on call frame.
 IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestEvalCallFrame) {
   RunTest("testEvalCallFrame", kEvalTestPage);
 }
 
 }  // namespace