DevTools: introduce perf monitor actions w/ time budget for violations that are event handlers.

third_party/WebKit/Source/bindings/core/v8/ScheduledAction.cpp

Index: third_party/WebKit/Source/bindings/core/v8/ScheduledAction.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/ScheduledAction.cpp b/third_party/WebKit/Source/bindings/core/v8/ScheduledAction.cpp
index 98ab991477fe13543a866bc033d19e780b206f0c..8f4048a6cbb75efd78faae6155043c99a60555e4 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ScheduledAction.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/ScheduledAction.cpp
@@ -32,6 +32,7 @@
 
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/ScriptSourceCode.h"
+#include "bindings/core/v8/SourceLocation.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8GCController.h"
 #include "bindings/core/v8/V8ScriptRunner.h"
@@ -171,4 +172,10 @@ void ScheduledAction::createLocalHandlesForArgs(
     handles->append(m_info.Get(i));
 }
 
+std::unique_ptr<SourceLocation> ScheduledAction::handlerLocation() {
+  v8::HandleScope handles(m_scriptState->isolate());
+  return SourceLocation::fromFunction(
+      v8::Local<v8::Function>::New(m_scriptState->isolate(), m_function.get()));
+}
+
 }  // namespace blink