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

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

 /*
  * Copyright (C) 2007-2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "bindings/core/v8/ScheduledAction.h"
 
 #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"
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/frame/LocalFrame.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerThread.h"
 #include "platform/tracing/TraceEvent.h"
 
@@ skipping 119 matching lines @@
   }
 }
 
 void ScheduledAction::createLocalHandlesForArgs(
     Vector<v8::Local<v8::Value>>* handles) {
   handles->reserveCapacity(m_info.Size());
   for (size_t i = 0; i < m_info.Size(); ++i)
     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