Mark AutocompleteBrowserTest.FocusSearch flaky on Windows and Linux.

chrome/browser/autocomplete/autocomplete_browsertest.cc

Index: chrome/browser/autocomplete/autocomplete_browsertest.cc
diff --git a/chrome/browser/autocomplete/autocomplete_browsertest.cc b/chrome/browser/autocomplete/autocomplete_browsertest.cc
index ae1cce8355bcb6283e765329acfbeb73ef73647c..b746a05e747d8ebc50614bc842f83b85f7637707 100644
--- a/chrome/browser/autocomplete/autocomplete_browsertest.cc
+++ b/chrome/browser/autocomplete/autocomplete_browsertest.cc
@@ -170,6 +170,10 @@ IN_PROC_BROWSER_TEST_F(AutocompleteBrowserTest, TabAwayRevertSelect) {
   EXPECT_TRUE(location_bar->location_entry()->IsSelectAll());
 }
 
+#if defined(OS_WINDOWS) || defined(OS_LINUX)
+// http://crbug.com/104307
+#define FocusSearch FLAKY_FocusSearch
+#endif
 IN_PROC_BROWSER_TEST_F(AutocompleteBrowserTest, FocusSearch) {
   LocationBar* location_bar = GetLocationBar();