Marking TabSwitch test as fails, it's currently taking ~1 hour to finish and fail.

chrome/test/perf/tab_switching_test.cc

Index: chrome/test/perf/tab_switching_test.cc
===================================================================
--- chrome/test/perf/tab_switching_test.cc	(revision 107983)
+++ chrome/test/perf/tab_switching_test.cc	(working copy)
@@ -183,19 +183,20 @@
   DISALLOW_COPY_AND_ASSIGN(TabSwitchingUITest);
 };
 
+// This is failing, and taking forever to finish when doing so.
+// http://crbug.com/102162
+
+TEST_F(TabSwitchingUITest, FAILS_TabSwitch) {
+  RunTabSwitchingUITest("t", true);
+}
+
 #if defined(OS_WIN)
 // Started failing with a webkit roll in r49936. See http://crbug.com/46751
-#define MAYBE_TabSwitch FAILS_TabSwitch
 #define MAYBE_TabSwitchRef FAILS_TabSwitchRef
 #else
-#define MAYBE_TabSwitch TabSwitch
 #define MAYBE_TabSwitchRef TabSwitchRef
 #endif
 
-TEST_F(TabSwitchingUITest, MAYBE_TabSwitch) {
-  RunTabSwitchingUITest("t", true);
-}
-
 TEST_F(TabSwitchingUITest, MAYBE_TabSwitchRef) {
   UseReferenceBuild();
   RunTabSwitchingUITest("t_ref", true);