Fixed unnecessary Paste Popup showing issue when long press on ReadOnly/Disabled elements.

Source/core/rendering/HitTestResult.cpp

 /*
  * Copyright (C) 2006, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 360 matching lines @@
 
 // FIXME: This function needs a better name and may belong in a different class. It's not
 // really isContentEditable(); it's more like needsEditingContextMenu(). In many ways, this
 // function would make more sense in the ContextMenu class, except that WebElementDictionary
 // hooks into it. Anyway, we should architect this better.
 bool HitTestResult::isContentEditable() const
 {
     if (!m_innerNonSharedNode)
         return false;
 
+    if (m_innerNonSharedNode->isElementNode()) {
+        Element* innerElement = toElement(m_innerNonSharedNode);
+        if (innerElement->isFormControlElement()) {

[yosin_UTC9, 2014/04/25 01:07:20]

It seems description and this change aren't matched, description says for
contenteditable, but change for form control.

Readonly and disabled text field should be checked within L390 and L393, which
check text area and text field.

+            HTMLFormControlElement* formControlElement = toHTMLFormControlElement(m_innerNonSharedNode);
+            if (formControlElement->isDisabledOrReadOnly())
+                return false;
+        }
+    }
+
     if (isHTMLTextAreaElement(*m_innerNonSharedNode))
         return true;
 
     if (isHTMLInputElement(*m_innerNonSharedNode))
         return toHTMLInputElement(*m_innerNonSharedNode).isTextField();
 
     return m_innerNonSharedNode->rendererIsEditable();
 }
 
 bool HitTestResult::addNodeToRectBasedTestResult(Node* node, const HitTestRequest& request, const HitTestLocation& locationInContainer, const LayoutRect& rect)
@@ skipping 94 matching lines @@
 {
     for (Node* node = m_innerNode.get(); node; node = NodeRenderingTraversal::parent(node)) {
         if (node->isElementNode())
             return toElement(node);
     }
 
     return 0;
 }
 
 } // namespace WebCore