Remove Element::textFromChildren().

sky/engine/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1287 matching lines @@
     dispatchScopedEventDispatchMediator(FocusInEventDispatchMediator::create(FocusEvent::create(eventType, true, false, document().domWindow(), 0, oldFocusedElement)));
 }
 
 void Element::dispatchFocusOutEvent(const AtomicString& eventType, Element* newFocusedElement)
 {
     ASSERT(!EventDispatchForbiddenScope::isEventDispatchForbidden());
     ASSERT(eventType == EventTypeNames::focusout || eventType == EventTypeNames::DOMFocusOut);
     dispatchScopedEventDispatchMediator(FocusOutEventDispatchMediator::create(FocusEvent::create(eventType, true, false, document().domWindow(), 0, newFocusedElement)));
 }
 
-String Element::textFromChildren()
-{
-    Text* firstTextNode = 0;
-    bool foundMultipleTextNodes = false;
-    unsigned totalLength = 0;
-
-    for (Node* child = firstChild(); child; child = child->nextSibling()) {
-        if (!child->isTextNode())
-            continue;
-        Text* text = toText(child);
-        if (!firstTextNode)
-            firstTextNode = text;
-        else
-            foundMultipleTextNodes = true;
-        unsigned length = text->data().length();
-        if (length > std::numeric_limits<unsigned>::max() - totalLength)
-            return emptyString();
-        totalLength += length;
-    }
-
-    if (!firstTextNode)
-        return emptyString();
-
-    if (firstTextNode && !foundMultipleTextNodes) {
-        firstTextNode->atomize();
-        return firstTextNode->data();
-    }
-
-    StringBuilder content;
-    content.reserveCapacity(totalLength);
-    for (Node* child = firstTextNode; child; child = child->nextSibling()) {
-        if (!child->isTextNode())
-            continue;
-        content.append(toText(child)->data());
-    }
-
-    ASSERT(content.length() == totalLength);
-    return content.toString();
-}
-
 // FIXME(sky): Remove pseudoElementSpecifier.
 RenderStyle* Element::computedStyle(PseudoId pseudoElementSpecifier)
 {
     // FIXME: Find and use the renderer from the pseudo element instead of the actual element so that the 'length'
     // properties, which are only known by the renderer because it did the layout, will be correct and so that the
     // values returned for the ":selection" pseudo-element will be correct.
     if (RenderStyle* usedStyle = renderStyle())
         return usedStyle;
 
     if (!inActiveDocument())
@@ skipping 468 matching lines @@
         return false;
     if (treeScope().scopedStyleResolver().features().hasSelectorForId(idValue))
         return true;
     // Host rules could also have effects.
     if (ShadowRoot* shadowRoot = this->shadowRoot())
         return shadowRoot->scopedStyleResolver().features().hasSelectorForId(idValue);
     return false;
 }
 
 } // namespace blink