Implement contextmenu attribute with basic support of <menu>

Source/core/page/ContextMenuControllerTest.cpp

Index: Source/core/page/ContextMenuControllerTest.cpp
diff --git a/Source/core/page/ContextMenuControllerTest.cpp b/Source/core/page/ContextMenuControllerTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..1e34bdade5b16e5016aa1d4d3bee01c18b7680b7
--- /dev/null
+++ b/Source/core/page/ContextMenuControllerTest.cpp
@@ -0,0 +1,79 @@
+// Copyright 2014 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 "config.h"
+#include "core/clipboard/DataTransfer.h"
+#include "core/events/MouseEvent.h"
+#include "core/frame/FrameView.h"
+#include "core/html/HTMLElement.h"
+#include "core/page/ContextMenuController.h"
+#include "core/testing/DummyPageHolder.h"
+#include "platform/ContextMenu.h"
+#include "wtf/OwnPtr.h"
+#include <gtest/gtest.h>
+
+namespace blink {
+
+class ContextMenuControllerTest : public testing::Test {
+protected:
+    virtual void SetUp()
+    {
+        m_pageHolder = DummyPageHolder::create(IntSize(800, 600));
+    }
+
+    Document& document() const { return m_pageHolder->document(); }
+
+    void setBodyInnerHTML(const char* htmlContent)
+    {
+        document().body()->setInnerHTML(String::fromUTF8(htmlContent), ASSERT_NO_EXCEPTION);
+        document().view()->updateLayoutAndStyleIfNeededRecursive();
+    }
+
+private:
+    OwnPtr<DummyPageHolder> m_pageHolder;
+};
+
+TEST_F(ContextMenuControllerTest, TestCustomMenu)
+{
+    // Load the the test page.
+    setBodyInnerHTML(
+        "<button id=\"button_id\" contextmenu=\"menu_id\" style=\"height: 100px; width: 100px;\">"
+        "<menu id=\"menu_id\">"
+        "<menuitem label=\"Item1\"></menuitem>"
+        "<menuitem label=\"Item2\"></menuitem>"
+        "<menuitem label=\"Item3\"></menuitem>"
+        "<menu label='Submenu'>"
+        "<menuitem label=\"Item4\"></menuitem>"
+        "<menuitem label=\"Item5\"></menuitem>"
+        "<menuitem label=\"Item6\"></menuitem>"
+        "</menu>"
+        "</menu>"
+        "</button>");
+
+    // Create right button click event and pass it to context menu controller.
+    RefPtrWillBeRawPtr<Event> event = MouseEvent::create(EventTypeNames::click, false, false,
+        document().domWindow(), 50, 50, 0, 0, 0, 0, 0, false, false, false, false, 1, nullptr, nullptr);
+    document().getElementById("button_id")->focus();
+    event->setTarget(document().getElementById("button_id"));
+    document().page()->contextMenuController().handleContextMenuEvent(event.get());
+
+    // Item 1
+    // Item 2
+    // Item 3
+    // Submenu > Item 4
+    //           Item 5
+    //           Item 6
+    const Vector<ContextMenuItem>& items = document().page()->contextMenuController().contextMenu()->items();
+    EXPECT_EQ(4u, items.size());
+    EXPECT_EQ(ActionType, items[0].type());
+    EXPECT_EQ(SubmenuType, items[3].type());
+    EXPECT_STREQ("Item1", items[0].title().utf8().data());
+    EXPECT_STREQ("Submenu", items[3].title().utf8().data());
+    EXPECT_STREQ("Submenu", items[3].title().utf8().data());
+    const Vector<ContextMenuItem>& subMenuItems = items[3].subMenuItems();
+    EXPECT_EQ(3u, subMenuItems.size());
+    EXPECT_STREQ("Item6", subMenuItems[2].title().utf8().data());
+}
+
+}