Forward mouse down node information to WebWidgetClient

Source/web/ChromeClientImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 866 matching lines @@
     if (m_webView->client())
         m_webView->client()->showImeIfNeeded();
 }
 
 void ChromeClientImpl::showUnhandledTapUIIfNeeded(IntPoint tappedPositionInViewport, Node* tappedNode, bool pageChanged)
 {
     if (m_webView->client())
         m_webView->client()->showUnhandledTapUIIfNeeded(WebPoint(tappedPositionInViewport), WebNode(tappedNode), pageChanged);
 }
 
+void ChromeClientImpl::onMouseDown(Node* mouseDownNode)
+{
+    if (m_webView->client())
+        m_webView->client()->onMouseDown(WebNode(mouseDownNode));
+}
+
 void ChromeClientImpl::handleKeyboardEventOnTextField(HTMLInputElement& inputElement, KeyboardEvent& event)
 {
     WebLocalFrameImpl* webframe = WebLocalFrameImpl::fromFrame(inputElement.document().frame());
     if (webframe->autofillClient())
         webframe->autofillClient()->textFieldDidReceiveKeyDown(WebInputElement(&inputElement), WebKeyboardEventBuilder(event));
 }
 
 void ChromeClientImpl::didChangeValueInTextField(HTMLFormControlElement& element)
 {
     WebLocalFrameImpl* webframe = WebLocalFrameImpl::fromFrame(element.document().frame());
@@ skipping 55 matching lines @@
 }
 
 void ChromeClientImpl::notifyPopupOpeningObservers() const
 {
     const Vector<PopupOpeningObserver*> observers(m_popupOpeningObservers);
     for (const auto& observer : observers)
         observer->willOpenPopup();
 }
 
 } // namespace blink