Remove IDBNotFoundError ExceptionCode

Source/core/editing/ReplaceSelectionCommand.cpp

Index: Source/core/editing/ReplaceSelectionCommand.cpp
diff --git a/Source/core/editing/ReplaceSelectionCommand.cpp b/Source/core/editing/ReplaceSelectionCommand.cpp
index 0185e5e36c3ac67c5ed764f2fed1adfca53c59a4..76f5812d1e7532b0b90f845b0543a0d81397d043 100644
--- a/Source/core/editing/ReplaceSelectionCommand.cpp
+++ b/Source/core/editing/ReplaceSelectionCommand.cpp
@@ -228,7 +228,7 @@ void ReplacementFragment::removeNode(PassRefPtr<Node> node)
     if (!parent)
         return;
     
-    parent->removeChild(node.get(), ASSERT_NO_EXCEPTION);
+    parent->removeChild(node.get());
 }
 
 void ReplacementFragment::insertNodeBefore(PassRefPtr<Node> node, Node* refNode)
@@ -260,7 +260,7 @@ void ReplacementFragment::restoreAndRemoveTestRenderingNodesToFragment(Element*
         return;
     
     while (RefPtr<Node> node = holder->firstChild()) {
-        holder->removeChild(node.get(), ASSERT_NO_EXCEPTION);
+        holder->removeChild(node.get());
         m_fragment->appendChild(node.get(), ASSERT_NO_EXCEPTION);
     }
 
@@ -1428,7 +1428,7 @@ Node* ReplaceSelectionCommand::insertAsListItems(PassRefPtr<HTMLElement> prpList
     }
 
     while (RefPtr<Node> listItem = listElement->firstChild()) {
-        listElement->removeChild(listItem.get(), ASSERT_NO_EXCEPTION);
+        listElement->removeChild(listItem.get());
         if (isStart || isMiddle) {
             insertNodeBefore(listItem, lastNode);
             insertedNodes.respondToNodeInsertion(listItem.get());