Amusingly deprecate the generic version of 'ExceptionState::throwDOMException'.

Source/core/dom/MutationObserver.cpp

Index: Source/core/dom/MutationObserver.cpp
diff --git a/Source/core/dom/MutationObserver.cpp b/Source/core/dom/MutationObserver.cpp
index e2d5fec85cb5d01ee6b975a9af9869bdc538162c..36d1100378f7a8c86f90a228caa7f5ae00681feb 100644
--- a/Source/core/dom/MutationObserver.cpp
+++ b/Source/core/dom/MutationObserver.cpp
@@ -84,7 +84,7 @@ bool MutationObserver::validateOptions(MutationObserverOptions options)
 void MutationObserver::observe(Node* node, const Dictionary& optionsDictionary, ExceptionState& es)
 {
     if (!node) {
-        es.throwDOMException(NotFoundError);
+        es.throwUninformativeAndGenericDOMException(NotFoundError);
         return;
     }
 
@@ -111,7 +111,7 @@ void MutationObserver::observe(Node* node, const Dictionary& optionsDictionary,
         options |= AttributeFilter;
 
     if (!validateOptions(options)) {
-        es.throwDOMException(SyntaxError);
+        es.throwUninformativeAndGenericDOMException(SyntaxError);
         return;
     }