[rAC, OSX] Use a bubble for tooltips.

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

+// Copyright 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_tooltip_controller.h"
+
+#include "base/mac/scoped_nsobject.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#import "ui/base/test/ui_cocoa_test_helper.h"
+
+namespace {
+
+class AutofillTooltipControllerTest: public ui::CocoaTest {
+ public:
+  virtual void SetUp() OVERRIDE {
+    CocoaTest::SetUp();
+    controller_.reset([[AutofillTooltipController alloc] init]);
+    [[test_window() contentView] addSubview:[controller_ view]];
+  }
+
+ protected:
+  base::scoped_nsobject<AutofillTooltipController> controller_;
+};
+
+}  // namespace
+
+TEST_VIEW(AutofillTooltipControllerTest, [controller_ view])