Bug 580546 FrameLayerBuilder.cpp failed to compile with Sun Studio 12 r=roc a=bsmedberg

layout/base/FrameLayerBuilder.cpp

@@ -1075,7 +1075,7 @@ ContainerState::Finish()
       if (!layer->GetParent()) {
         // This is not currently a child of the container, so just add it
         // now.
-        Layer* prevChild = i == 0 ? nsnull : mNewChildLayers[i - 1];
+        Layer* prevChild = i == 0 ? nsnull : mNewChildLayers[i - 1].get();
         mContainerLayer->InsertAfter(layer, prevChild);
         continue;
       }