[inspector] Record EvaluateScript trace event upon console evaluation

src/inspector/v8-runtime-agent-impl.cc

 /*
  * Copyright (C) 2011 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 23 matching lines @@
 #include "src/inspector/inspected-context.h"
 #include "src/inspector/protocol/Protocol.h"
 #include "src/inspector/remote-object-id.h"
 #include "src/inspector/string-util.h"
 #include "src/inspector/v8-console-message.h"
 #include "src/inspector/v8-debugger-agent-impl.h"
 #include "src/inspector/v8-debugger.h"
 #include "src/inspector/v8-inspector-impl.h"
 #include "src/inspector/v8-inspector-session-impl.h"
 #include "src/inspector/v8-stack-trace-impl.h"
+#include "src/tracing/trace-event.h"
 
 #include "include/v8-inspector.h"
 
 namespace v8_inspector {
 
 namespace V8RuntimeAgentImplState {
 static const char customObjectFormatterEnabled[] =
     "customObjectFormatterEnabled";
 static const char runtimeEnabled[] = "runtimeEnabled";
 };
@@ skipping 211 matching lines @@
 
 V8RuntimeAgentImpl::~V8RuntimeAgentImpl() {}
 
 void V8RuntimeAgentImpl::evaluate(
     const String16& expression, const Maybe<String16>& objectGroup,
     const Maybe<bool>& includeCommandLineAPI, const Maybe<bool>& silent,
     const Maybe<int>& executionContextId, const Maybe<bool>& returnByValue,
     const Maybe<bool>& generatePreview, const Maybe<bool>& userGesture,
     const Maybe<bool>& awaitPromise,
     std::unique_ptr<EvaluateCallback> callback) {
+  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"),
+               "EvaluateScript");
   ErrorString errorString;
   int contextId =
       ensureContext(&errorString, m_inspector, m_session->contextGroupId(),
                     executionContextId);
   if (!errorString.isEmpty()) {
     callback->sendFailure(errorString);
     return;
   }
 
   InjectedScript::ContextScope scope(&errorString, m_inspector,
@@ skipping 444 matching lines @@
 }
 
 bool V8RuntimeAgentImpl::reportMessage(V8ConsoleMessage* message,
                                        bool generatePreview) {
   message->reportToFrontend(&m_frontend, m_session, generatePreview);
   m_frontend.flush();
   return m_inspector->hasConsoleMessageStorage(m_session->contextGroupId());
 }
 
 }  // namespace v8_inspector