Issue #1219 - Align computed DOM styles with mainstream behvior.

This updates our behavior for computed DOM styling to no longer return
null on elements that have no display, but return a 0-length (empty)
style instead and don't throw. For this we stop looking at having a
presentation for the style and just look at the document instead.

This resolves #1219

1 files changed, 1 insertions, 7 deletions

diff --git a/dom/smil/nsSMILCSSProperty.cpp b/dom/smil/nsSMILCSSProperty.cpp
index 53f3e0fbf7..e745124432 100644
--- a/dom/smil/nsSMILCSSProperty.cpp
+++ b/dom/smil/nsSMILCSSProperty.cpp
@@ -38,14 +38,8 @@ GetCSSComputedValue(Element* aElem,
     return false;
   }
 
-  nsIPresShell* shell = doc->GetShell();
-  if (!shell) {
-    NS_WARNING("Unable to look up computed style -- no pres shell");
-    return false;
-  }
-
   RefPtr<nsComputedDOMStyle> computedStyle =
-    NS_NewComputedDOMStyle(aElem, EmptyString(), shell);
+    NS_NewComputedDOMStyle(aElem, EmptyString(), doc);
 
   computedStyle->GetPropertyValue(aPropID, aResult);
   return true;