DevTools: enable TestProfilerTab back, as fix has been rolled in V8.

chrome/browser/debugger/devtools_sanity_unittest.cc

Index: chrome/browser/debugger/devtools_sanity_unittest.cc
diff --git a/chrome/browser/debugger/devtools_sanity_unittest.cc b/chrome/browser/debugger/devtools_sanity_unittest.cc
index 2ec7049ad6d77e8b36fb6a960d7e59df7c7aacab..35c558723e1df8f935290cc52b3dd49d6bcf4bda 100644
--- a/chrome/browser/debugger/devtools_sanity_unittest.cc
+++ b/chrome/browser/debugger/devtools_sanity_unittest.cc
@@ -154,9 +154,7 @@ IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, DISABLED_TestResourceHeaders) {
 }
 
 // Tests profiler panel.
-// Flaky: http://code.google.com/p/chromium/issues/detail?id=23768
-// TODO(mnaganov): fix the problem in V8 and roll it out.
-IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, DISABLED_TestProfilerTab) {
+IN_PROC_BROWSER_TEST_F(DevToolsSanityTest, TestProfilerTab) {
   RunTest("testProfilerTab", kJsPage);
 }