DevTools: support all handlers that end up with function call in perfmonitor.

third_party/WebKit/Source/core/events/EventTarget.cpp

Index: third_party/WebKit/Source/core/events/EventTarget.cpp
diff --git a/third_party/WebKit/Source/core/events/EventTarget.cpp b/third_party/WebKit/Source/core/events/EventTarget.cpp
index cf2b87da879835989831f7119d8f6b10982154eb..b4444d181d909257cba1a64a15052dfcb606c4c2 100644
--- a/third_party/WebKit/Source/core/events/EventTarget.cpp
+++ b/third_party/WebKit/Source/core/events/EventTarget.cpp
@@ -684,7 +684,8 @@ bool EventTarget::fireEventListeners(Event* event,
 
     InspectorInstrumentation::NativeBreakpoint nativeBreakpoint(context, this,
                                                                 event);
-    PerformanceMonitor::HandlerCall handlerCall(context, listener);
+    PerformanceMonitor::HandlerCall handlerCall(
+        context, event->type().ascii().data(), false);

[caseq, 2016/11/18 00:33:48]

So you're passing a string from temporary object to something that expects
static lifetime.

 
     // To match Mozilla, the AT_TARGET phase fires both capturing and bubbling
     // event listeners, even though that violates some versions of the DOM spec.