Disable flaky test on windows

chrome/browser/extensions/extension_service_unittest.cc

Index: chrome/browser/extensions/extension_service_unittest.cc
diff --git a/chrome/browser/extensions/extension_service_unittest.cc b/chrome/browser/extensions/extension_service_unittest.cc
index 7d5682e368a02f5f24eceb84f54458ae7817a161..097c7655b4f63c7af772f933476be223cb08ff70 100644
--- a/chrome/browser/extensions/extension_service_unittest.cc
+++ b/chrome/browser/extensions/extension_service_unittest.cc
@@ -2082,7 +2082,15 @@ TEST_F(ExtensionServiceTest, EnsureCWSOrdinalsInitialized) {
       sorting->GetAppLaunchOrdinal(extension_misc::kWebStoreAppId).IsValid());
 }
 
-TEST_F(ExtensionServiceTest, InstallAppsWithUnlimitedStorage) {
+// Flaky failures on Vista. http://crbug.com/145381
+#if defined(OS_WIN)
+#define MAYBE_InstallAppsWithUnlimitedStorage \
+    DISABLED_InstallAppsWithUnlimitedStorage
+#else
+#define MAYBE_InstallAppsWithUnlimitedStorage InstallAppsWithUnlimitedStorage
+#endif
+
+TEST_F(ExtensionServiceTest, MAYBE_InstallAppsWithUnlimitedStorage) {
   InitializeEmptyExtensionService();
   InitializeRequestContext();
   EXPECT_TRUE(service_->extensions()->is_empty());