Remove the anonymous content for resizers properly. b=420439 r+sr=peterv a1.9+=damons

git-svn-id: svn://10.0.0.236/trunk@250164 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/editor/libeditor/html/nsHTMLObjectResizer.cpp

@@ -336,6 +336,12 @@ NS_IMETHODIMP
 nsHTMLEditor::ShowResizers(nsIDOMElement *aResizedElement)
 {
   NS_ENSURE_ARG_POINTER(aResizedElement);
+
+  if (mResizedObject) {
+    NS_ERROR("call HideResizers first");
+    return NS_ERROR_UNEXPECTED;
+  }
+
   mResizedObject = aResizedElement;
 
   // The resizers and the shadow will be anonymous siblings of the element.
@@ -476,6 +482,11 @@ nsHTMLEditor::HideResizers(void)
                              mResizingInfo, parentContent, ps);
   mResizingInfo = nsnull;
 
+  if (mActivatedHandle) {
+    mActivatedHandle->RemoveAttribute(NS_LITERAL_STRING("_moz_activated"));
+    mActivatedHandle = nsnull;
+  }
+
   // don't forget to remove the listeners !
 
   nsCOMPtr<nsPIDOMEventTarget> piTarget = GetPIDOMEventTarget();