evaluating clipboard event target acording to w3c specification

third_party/WebKit/Source/core/editing/Editor.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 717 matching lines @@
 void Editor::registerCommandGroup(CompositeEditCommand* commandGroupWrapper) {
   DCHECK(commandGroupWrapper->isCommandGroupWrapper());
   m_lastEditCommand = commandGroupWrapper;
 }
 
 void Editor::clearLastEditCommand() {
   m_lastEditCommand.clear();
 }
 
 Element* Editor::findEventTargetFrom(const VisibleSelection& selection) const {
-  Element* target = associatedElementOf(selection.start());
+  Element* target = selection.hasEditableStyle()
+                        ? associatedElementOf(selection.start())
+                        : frame().document()->activeElement();
   if (!target)
     target = frame().document()->body();
 
   return target;
 }
 
 Element* Editor::findEventTargetFromSelection() const {
   return findEventTargetFrom(frame().selection().selection());
 }
 
@@ skipping 949 matching lines @@
 
 DEFINE_TRACE(Editor) {
   visitor->trace(m_frame);
   visitor->trace(m_lastEditCommand);
   visitor->trace(m_undoStack);
   visitor->trace(m_mark);
   visitor->trace(m_typingStyle);
 }
 
 }  // namespace blink