Remove Element::textFromChildren().

sky/engine/core/dom/Element.cpp

Index: sky/engine/core/dom/Element.cpp
diff --git a/sky/engine/core/dom/Element.cpp b/sky/engine/core/dom/Element.cpp
index cd282835c4652e80ce0715b93d519a8c454bf0b6..2a9d24f901e6ec83e82b353daeb666eab1a6eba4 100644
--- a/sky/engine/core/dom/Element.cpp
+++ b/sky/engine/core/dom/Element.cpp
@@ -1305,46 +1305,6 @@ void Element::dispatchFocusOutEvent(const AtomicString& eventType, Element* newF
     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)
 {