Add the ability to return descedant event listeners.

third_party/WebKit/Source/core/inspector/ThreadDebugger.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/inspector/ThreadDebugger.h"
 
 #include "bindings/core/v8/ScriptCallStack.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8DOMException.h"
@@ skipping 52 matching lines @@
 void ThreadDebugger::beginUserGesture()
 {
     m_userGestureIndicator = adoptPtr(new UserGestureIndicator(DefinitelyProcessingNewUserGesture));
 }
 
 void ThreadDebugger::endUserGesture()
 {
     m_userGestureIndicator.clear();
 }
 
-void ThreadDebugger::eventListeners(v8::Local<v8::Value> value, V8EventListenerInfoList& result)
+void ThreadDebugger::eventListeners(v8::Local<v8::Value> value, unsigned filterMask, V8EventListenerInfoList& result)
 {
-    InspectorDOMDebuggerAgent::eventListenersInfoForTarget(m_isolate, value, result);
+    InspectorDOMDebuggerAgent::eventListenersInfoForTarget(m_isolate, value, filterMask, result);
 }
 
 String16 ThreadDebugger::valueSubtype(v8::Local<v8::Value> value)
 {
     if (V8Node::hasInstance(value, m_isolate))
         return "node";
     if (V8NodeList::hasInstance(value, m_isolate)
         || V8DOMTokenList::hasInstance(value, m_isolate)
         || V8HTMLCollection::hasInstance(value, m_isolate)
         || V8HTMLAllCollection::hasInstance(value, m_isolate)) {
@@ skipping 97 matching lines @@
 {
     for (size_t index = 0; index < m_timers.size(); ++index) {
         if (m_timers[index] == timer) {
             m_timerCallbacks[index](m_timerData[index]);
             return;
         }
     }
 }
 
 } // namespace blink