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 29 matching lines @@
         data->threadDebugger()->debugger()->willExecuteScript(isolate->GetCurrentContext(), scriptId);
 }
 
 void ThreadDebugger::didExecuteScript(v8::Isolate* isolate)
 {
     V8PerIsolateData* data = V8PerIsolateData::from(isolate);
     if (data && data->threadDebugger())
         data->threadDebugger()->debugger()->didExecuteScript(isolate->GetCurrentContext());
 }
 
-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 90 matching lines @@
     m_timers.remove(id);
 }
 
 void ThreadDebugger::onTimer(Timer<ThreadDebugger>* timer)
 {
     ASSERT(m_timerCallbacks.contains(timer));
     (*m_timerCallbacks.get(timer))();
 }
 
 } // namespace blink