Disable flaky test "AppModeTest.EnableAppModeTest" on windows.

chrome/browser/ui/browser_browsertest.cc

Index: chrome/browser/ui/browser_browsertest.cc
diff --git a/chrome/browser/ui/browser_browsertest.cc b/chrome/browser/ui/browser_browsertest.cc
index 5283ceb17e45af94bf6d83090266355ec1e11e3e..2669320e6df00d2967e56ebafaa68e904b2dadd0 100644
--- a/chrome/browser/ui/browser_browsertest.cc
+++ b/chrome/browser/ui/browser_browsertest.cc
@@ -1697,7 +1697,14 @@ class AppModeTest : public BrowserTest {
   }
 };
 
-IN_PROC_BROWSER_TEST_F(AppModeTest, EnableAppModeTest) {
+// Check failed on Win only.  http://crbug.com/163630
+#if defined(OS_WIN)
+#define MAYBE_EnableAppModeTest DISABLED_EnableAppModeTest
+#else
+#define MAYBE_EnableAppModeTest EnableAppModeTest
+#endif
+
+IN_PROC_BROWSER_TEST_F(AppModeTest, MAYBE_EnableAppModeTest) {
   // Test that an application browser window loads correctly.
 
   // Verify the browser is in application mode.