Rename ElementData's attribute related methods for clarity

Source/core/html/HTMLInputElement.cpp

Index: Source/core/html/HTMLInputElement.cpp
diff --git a/Source/core/html/HTMLInputElement.cpp b/Source/core/html/HTMLInputElement.cpp
index 88f30bd2c1fddc94d4be0ff7c4abc1a7f114b0a3..717d8d43f9997fb12dab13d87ed7c98d243c1f97 100644
--- a/Source/core/html/HTMLInputElement.cpp
+++ b/Source/core/html/HTMLInputElement.cpp
@@ -452,11 +452,11 @@ void HTMLInputElement::updateType()
 
     if (didRespectHeightAndWidth != m_inputType->shouldRespectHeightAndWidthAttributes()) {
         ASSERT(elementData());
-        if (const Attribute* height = getAttributeItem(heightAttr))
+        if (const Attribute* height = findAttributeByName(heightAttr))
             attributeChanged(heightAttr, height->value());
-        if (const Attribute* width = getAttributeItem(widthAttr))
+        if (const Attribute* width = findAttributeByName(widthAttr))
             attributeChanged(widthAttr, width->value());
-        if (const Attribute* align = getAttributeItem(alignAttr))
+        if (const Attribute* align = findAttributeByName(alignAttr))
             attributeChanged(alignAttr, align->value());
     }