CANCEL: Make Document::caretRangeFromPoint() to work with :before style

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 99 matching lines @@
     m_scrollbar = other.scrollbar();
     m_isFirstLetter = other.m_isFirstLetter;
     m_isOverWidget = other.isOverWidget();
 
     // Only copy the NodeSet in case of rect hit test.
     m_rectBasedTestResult = adoptPtr(other.m_rectBasedTestResult ? new NodeSet(*other.m_rectBasedTestResult) : 0);
 
     return *this;
 }
 
+PositionWithAffinity HitTestResult::position() const
+{
+    if (!m_innerPossiblyPseudoNode)
+        return Position();
+    RenderObject* renderer = this->renderer();
+    return renderer ? renderer->positionForPoint(localPoint()) : Position();

[ojan, 2013/12/02 22:39:54]

Nit: I'd write this as follows:

if (RenderObject* renderer = this->renderer())
    return renderer->positionForPoint(localPoint());
return Position();

[yosin_UTC9, 2013/12/03 05:13:00]

Done.

+}
+
 RenderObject* HitTestResult::renderer() const
 {
-    if (!m_innerNode)
+    if (!m_innerPossiblyPseudoNode)
         return 0;
-    RenderObject* renderer = m_innerNode->renderer();
+    RenderObject* renderer = m_innerPossiblyPseudoNode->renderer();
     if (!m_isFirstLetter || !renderer || !renderer->isText() || !toRenderText(renderer)->isTextFragment())
         return renderer;
     return toRenderTextFragment(renderer)->firstRenderTextInFirstLetter();
 }
 
 void HitTestResult::setToNodesInDocumentTreeScope()
 {
     if (Node* node = innerNode()) {
         node = node->document().ancestorInThisScope(node);
         setInnerNode(node);
@@ skipping 372 matching lines @@
 {
     for (Node* node = m_innerNode.get(); node; node = NodeRenderingTraversal::parent(node)) {
         if (node->isElementNode())
             return toElement(node);
     }
 
     return 0;
 }
 
 } // namespace WebCore