FocusController::setInitialFocus should ignore sequential focus navigation starting point.

third_party/WebKit/Source/core/page/FocusControllerTest.cpp

+// Copyright 2016 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.
+
+#include "core/page/FocusController.h"
+
+#include "core/html/HTMLElement.h"
+#include "core/testing/DummyPageHolder.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blink {
+
+class FocusControllerTest : public testing::Test {
+public:
+    Document& document() const { return m_pageHolder->document(); }
+    FocusController& focusController() const { return document().page()->focusController(); }
+
+private:
+    void SetUp() override { m_pageHolder = DummyPageHolder::create(); }
+
+    OwnPtr<DummyPageHolder> m_pageHolder;
+};
+
+TEST_F(FocusControllerTest, SetInitialFocus)
+{
+    document().body()->setInnerHTML("<input><textarea>", ASSERT_NO_EXCEPTION);
+    Element* input = toElement(document().body()->firstChild());
+    // Set sequential focus navigation point before the initial focus.
+    input->focus();
+    input->blur();
+    focusController().setInitialFocus(WebFocusTypeForward);
+    EXPECT_EQ(input, document().focusedElement()) << "We should ignore sequential focus navigation starting point in setInitialFocus().";
+}
+
+} // namespace blink