Enable accessible name of a control to include multiple <label> elements.

third_party/WebKit/Source/core/dom/DocumentOrderedMap.cpp

Index: third_party/WebKit/Source/core/dom/DocumentOrderedMap.cpp
diff --git a/third_party/WebKit/Source/core/dom/DocumentOrderedMap.cpp b/third_party/WebKit/Source/core/dom/DocumentOrderedMap.cpp
index 5c7822bdec370e816a0b651ba83bc0b9553c927e..582f8f07ac53981caaf500373c7918d2ce4585c4 100644
--- a/third_party/WebKit/Source/core/dom/DocumentOrderedMap.cpp
+++ b/third_party/WebKit/Source/core/dom/DocumentOrderedMap.cpp
@@ -80,11 +80,6 @@ inline bool keyMatchesLowercasedMapName(const AtomicString& key, const Element&
     return isHTMLMapElement(element) && toHTMLMapElement(element).getName().lower() == key;
 }
 
-inline bool keyMatchesLabelForAttribute(const AtomicString& key, const Element& element)
-{
-    return isHTMLLabelElement(element) && element.getAttribute(forAttr) == key;
-}
-
 void DocumentOrderedMap::add(const AtomicString& key, Element* element)
 {
     DCHECK(key);
@@ -200,11 +195,6 @@ Element* DocumentOrderedMap::getElementByLowercasedMapName(const AtomicString& k
     return get<keyMatchesLowercasedMapName>(key, scope);
 }
 
-Element* DocumentOrderedMap::getElementByLabelForAttribute(const AtomicString& key, const TreeScope* scope) const
-{
-    return get<keyMatchesLabelForAttribute>(key, scope);
-}
-
 DEFINE_TRACE(DocumentOrderedMap)
 {
     visitor->trace(m_map);