Implement DragEvent and move MouseEvent.dataTransfer

Source/core/page/ContextMenuControllerTest.cpp

 // 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/page/ContextMenuController.h"
 
 #include "core/clipboard/DataTransfer.h"
 #include "core/events/MouseEvent.h"
 #include "core/frame/FrameView.h"
@@ skipping 52 matching lines @@
         "document.title = \"Title 9 checked\"; else document.title = \"Title 9 not checked\";'>"
         "<menuitem id=\"item10\" type=\"radio\" radiogroup=\"group\" label=\"Item10\""
         "onclick='if (document.getElementById(\"item10\").hasAttribute(\"checked\"))"
         "document.title = \"Title 10 checked\"; else if (document.getElementById(\"item8\").hasAttribute(\"checked\"))"
         "document.title = \"Title 10 not checked and Title 8 checked\";'>"
         "</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, 0, nullptr, nullptr);
+        document().domWindow(), 50, 50, 0, 0, 0, 0, 0, false, false, false, false, 1, 0, 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
@@ skipping 18 matching lines @@
     EXPECT_STREQ("Title 7 checked", document().title().utf8().data());
     document().page()->contextMenuController().contextMenuItemSelected(&items[4]);
     EXPECT_STREQ("Title 7 not checked", document().title().utf8().data());
     document().page()->contextMenuController().contextMenuItemSelected(&items[5]);
     EXPECT_STREQ("Title 8 not checked and Title 9 checked", document().title().utf8().data());
     document().page()->contextMenuController().contextMenuItemSelected(&items[7]);
     EXPECT_STREQ("Title 10 not checked and Title 8 checked", document().title().utf8().data());
 }
 
 }