Revert Opera title fix

CHANGELOG

@@ -1,5 +1,3 @@
-* Use feature testing in `Element#readAttribute` when taking care of Opera's `getAttribute('title')` quirk. (kangax)
-
 * Use `Prototype.emptyFunction` consistently throughout unit tests. [#253 state:resolved] (Michael M Slusarz, John David Dalton, kangax)
 
 * deprecation extension: mark Array#reduce() as removed. [#569 state:resolved] (Tobie Langel)

src/dom/dom.js

@@ -609,16 +609,6 @@ Element.Methods = {
       return isBuggy;
     })();
     
-    // Opera 9.25 returns `null` instead of "" for getAttribute('title') 
-    // when `title` attribute is empty
-    var GET_ATTRIBUTE_TITLE_RETURNS_NULL = (function(){
-      var el = document.createElement('div');
-      el.title = '';
-      var isBuggy = (el.getAttribute('title') === null);
-      el = null;
-      return isBuggy;
-    })();
-    
     return function(element, name) {
       element = $(element);
       // check boolean first, to get out of expression faster
@@ -627,9 +617,6 @@ Element.Methods = {
           element.tagName.toUpperCase() == 'IFRAME') {
         return element.getAttribute('type');
       }
-      if (GET_ATTRIBUTE_TITLE_RETURNS_NULL && name === 'title') {
-        return element.title;
-      }
       if (Prototype.Browser.IE) {
         var t = Element._attributeTranslations.read;
         if (t.values[name]) return t.values[name](element, name);
@@ -1243,6 +1230,13 @@ if (Prototype.Browser.Opera) {
       }
     }
   );
+  
+  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
+    function(proceed, element, attribute) {
+      if (attribute === 'title') return element.title;
+      return proceed(element, attribute);
+    }
+  );  
 }
 
 else if (Prototype.Browser.IE) {