Bug 904826 - Remove some unneeded nsLayoutStatics calls. r=smaug

content/base/src/FragmentOrElement.cpp

@@ -116,7 +116,6 @@
 #include "nsCycleCollector.h"
 #include "xpcpublic.h"
 #include "nsIScriptError.h"
-#include "nsLayoutStatics.h"
 #include "mozilla/Telemetry.h"
 
 #include "mozilla/CORSMode.h"
@@ -1041,21 +1040,19 @@ class ContentUnbinder : public nsRunnable
 public:
   ContentUnbinder()
   {
-    nsLayoutStatics::AddRef();
     mLast = this;
   }
 
   ~ContentUnbinder()
   {
     Run();
-    nsLayoutStatics::Release();
   }
 
   void UnbindSubtree(nsIContent* aNode)
   {
     if (aNode->NodeType() != nsIDOMNode::ELEMENT_NODE &&
         aNode->NodeType() != nsIDOMNode::DOCUMENT_FRAGMENT_NODE) {
-      return;  
+      return;
     }
     FragmentOrElement* container = static_cast<FragmentOrElement*>(aNode);
     uint32_t childCount = container->mAttrsAndChildren.ChildCount();