[rAC, OSX] Add overlay shield for interstitials/waits.

chrome/browser/ui/cocoa/autofill/autofill_overlay_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_overlay_controller.h"
+
+#include "base/mac/scoped_nsobject.h"
+#include "chrome/browser/ui/autofill/mock_autofill_dialog_view_delegate.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gtest_mac.h"
+#import "ui/base/test/ui_cocoa_test_helper.h"
+
+namespace {
+
+class AutofillOverlayControllerTest : public ui::CocoaTest {
+ public:
+  virtual void SetUp() {
+    CocoaTest::SetUp();
+    controller_.reset(
+        [[AutofillOverlayController alloc] initWithDelegate:&delegate_]);
+    [[test_window() contentView] addSubview:[controller_ view]];
+  }
+
+ protected:
+  base::scoped_nsobject<AutofillOverlayController> controller_;
+  testing::NiceMock<autofill::MockAutofillDialogViewDelegate> delegate_;
+};
+
+}  // namespace
+
+TEST_VIEW(AutofillOverlayControllerTest, [controller_ view])
+
+TEST_F(AutofillOverlayControllerTest, Subviews) {
+  NSView* view = [controller_ view];
+  ASSERT_EQ(1U, [[view subviews] count]);
+
+  EXPECT_TRUE([view isKindOfClass:[NSBox class]]);
+  EXPECT_TRUE([[[view subviews] objectAtIndex:0] isMemberOfClass:
+          [NSView class]]);
+}