[rAC, OSX] Use bubble windows for error messages.

chrome/browser/ui/cocoa/autofill/autofill_error_bubble_controller_unittest.mm

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import "chrome/browser/ui/cocoa/autofill/autofill_error_bubble_controller.h"
+
+#import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
+#include "chrome/browser/ui/cocoa/run_loop_testing.h"
+
+class AutofillErrorBubbleControllerTest : public CocoaTest {
+};
+
+TEST_F(AutofillErrorBubbleControllerTest, ShowAndClose) {
+  AutofillErrorBubbleController* controller =
+      [[AutofillErrorBubbleController alloc] initWithParentWindow:test_window()
+                                                          message:@"test msg"];
+  EXPECT_FALSE([[controller window] isVisible]);
+
+  [controller showWindow:nil];
+  EXPECT_TRUE([[controller window] isVisible]);
+
+  // Close will self-delete, but all pending messages must be processed so the
+  // deallocation happens.
+  [controller close];
+  chrome::testing::NSRunLoopRunAllPending();
+}
+