Use kCamelCase in Document::ListenerType enum

third_party/WebKit/Source/core/dom/CharacterData.cpp

Index: third_party/WebKit/Source/core/dom/CharacterData.cpp
diff --git a/third_party/WebKit/Source/core/dom/CharacterData.cpp b/third_party/WebKit/Source/core/dom/CharacterData.cpp
index 1d832392fea9d7b816adf84757dcdfacd7a2dc74..13c7c5d01feea5d566a335f85f2878cfee79542a 100644
--- a/third_party/WebKit/Source/core/dom/CharacterData.cpp
+++ b/third_party/WebKit/Source/core/dom/CharacterData.cpp
@@ -213,7 +213,7 @@ void CharacterData::DidModifyData(const String& old_data, UpdateSource source) {
   // Spec: https://html.spec.whatwg.org/multipage/syntax.html#insert-a-character
   if (source != kUpdateFromParser && !IsInShadowTree()) {
     if (GetDocument().HasListenerType(
-            Document::DOMCHARACTERDATAMODIFIED_LISTENER))
+            Document::kDOMCharacterDataModifiedListener))
       DispatchScopedEvent(
           MutationEvent::Create(EventTypeNames::DOMCharacterDataModified, true,
                                 nullptr, old_data, data_));