Bug 1439155: Be consistent about what does readonly apply to. r=smaug

MozReview-Commit-ID: 4NiDe7pUzGa

dom/html/HTMLInputElement.cpp

@@ -6909,46 +6909,6 @@ HTMLInputElement::IsMutable() const
            HasAttr(kNameSpaceID_None, nsGkAtoms::readonly));
 }
 
-bool
-HTMLInputElement::DoesReadOnlyApply() const
-{
-  switch (mType)
-  {
-    case NS_FORM_INPUT_HIDDEN:
-    case NS_FORM_INPUT_BUTTON:
-    case NS_FORM_INPUT_IMAGE:
-    case NS_FORM_INPUT_RESET:
-    case NS_FORM_INPUT_SUBMIT:
-    case NS_FORM_INPUT_RADIO:
-    case NS_FORM_INPUT_FILE:
-    case NS_FORM_INPUT_CHECKBOX:
-    case NS_FORM_INPUT_RANGE:
-    case NS_FORM_INPUT_COLOR:
-      return false;
-#ifdef DEBUG
-    case NS_FORM_INPUT_TEXT:
-    case NS_FORM_INPUT_PASSWORD:
-    case NS_FORM_INPUT_SEARCH:
-    case NS_FORM_INPUT_TEL:
-    case NS_FORM_INPUT_EMAIL:
-    case NS_FORM_INPUT_URL:
-    case NS_FORM_INPUT_NUMBER:
-    case NS_FORM_INPUT_DATE:
-    case NS_FORM_INPUT_TIME:
-    case NS_FORM_INPUT_MONTH:
-    case NS_FORM_INPUT_WEEK:
-    case NS_FORM_INPUT_DATETIME_LOCAL:
-      return true;
-    default:
-      MOZ_ASSERT_UNREACHABLE("Unexpected input type in DoesReadOnlyApply()");
-      return true;
-#else // DEBUG
-    default:
-      return true;
-#endif // DEBUG
-  }
-}
-
 bool
 HTMLInputElement::DoesRequiredApply() const
 {