Implements determineAccessibilityRole() instead of roleValue()

Source/modules/accessibility/AXProgressIndicator.cpp

Index: Source/modules/accessibility/AXProgressIndicator.cpp
diff --git a/Source/modules/accessibility/AXProgressIndicator.cpp b/Source/modules/accessibility/AXProgressIndicator.cpp
index c1411e29be7ebca82ff7d007557123434ca4cfab..77e15a39f55ad00d5dcd03df6a028644c988c46f 100644
--- a/Source/modules/accessibility/AXProgressIndicator.cpp
+++ b/Source/modules/accessibility/AXProgressIndicator.cpp
@@ -40,11 +40,10 @@ PassRefPtr<AXProgressIndicator> AXProgressIndicator::create(LayoutProgress* layo
     return adoptRef(new AXProgressIndicator(layoutObject, axObjectCache));
 }
 
-AccessibilityRole AXProgressIndicator::roleValue() const
+AccessibilityRole AXProgressIndicator::determineAccessibilityRole()
 {
-    AccessibilityRole ariaRole = ariaRoleAttribute();
-    if (ariaRole != UnknownRole)
-        return ariaRole;
+    if ((m_ariaRole = determineAriaRoleAttribute()) != UnknownRole)
+        return m_ariaRole;
     return ProgressIndicatorRole;
 }