[instrumentation] Introduce InspectorTraceEvents agent

third_party/WebKit/Source/core/loader/FrameFetchContext.cpp

 /*
  * Copyright (C) 2013 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 412 matching lines @@
 void FrameFetchContext::prepareRequest(ResourceRequest& request) {
   frame()->loader().applyUserAgent(request);
   localFrameClient()->dispatchWillSendRequest(request);
 }
 
 void FrameFetchContext::dispatchWillSendRequest(
     unsigned long identifier,
     ResourceRequest& request,
     const ResourceResponse& redirectResponse,
     const FetchInitiatorInfo& initiatorInfo) {
-  TRACE_EVENT1("devtools.timeline", "ResourceSendRequest", "data",
-               InspectorSendRequestEvent::data(identifier, frame(), request));
   // For initial requests, prepareRequest() is called in
   // willStartLoadingResource(), before revalidation policy is determined. That
   // call doesn't exist for redirects, so call preareRequest() here.
   if (!redirectResponse.isNull()) {
     prepareRequest(request);
   } else {
     frame()->loader().progress().willStartLoading(identifier,
                                                   request.priority());
   }
   probe::willSendRequest(frame(), identifier, masterDocumentLoader(), request,
@@ skipping 15 matching lines @@
 
 void FrameFetchContext::dispatchDidReceiveData(unsigned long identifier,
                                                const char* data,
                                                int dataLength) {
   frame()->loader().progress().incrementProgress(identifier, dataLength);
   probe::didReceiveData(frame(), identifier, data, dataLength);
 }
 
 void FrameFetchContext::dispatchDidReceiveEncodedData(unsigned long identifier,
                                                       int encodedDataLength) {
-  TRACE_EVENT1(
-      "devtools.timeline", "ResourceReceivedData", "data",
-      InspectorReceiveDataEvent::data(identifier, frame(), encodedDataLength));
   probe::didReceiveEncodedDataLength(frame(), identifier, encodedDataLength);
 }
 
 void FrameFetchContext::dispatchDidDownloadData(unsigned long identifier,
                                                 int dataLength,
                                                 int encodedDataLength) {
-  TRACE_EVENT1(
-      "devtools.timeline", "ResourceReceivedData", "data",
-      InspectorReceiveDataEvent::data(identifier, frame(), encodedDataLength));
   frame()->loader().progress().incrementProgress(identifier, dataLength);
   probe::didReceiveData(frame(), identifier, 0, dataLength);
   probe::didReceiveEncodedDataLength(frame(), identifier, encodedDataLength);
 }
 
 void FrameFetchContext::dispatchDidFinishLoading(unsigned long identifier,
                                                  double finishTime,
                                                  int64_t encodedDataLength,
                                                  int64_t decodedBodyLength) {
-  TRACE_EVENT1(
-      "devtools.timeline", "ResourceFinish", "data",
-      InspectorResourceFinishEvent::data(identifier, finishTime, false,
-                                         encodedDataLength, decodedBodyLength));
   frame()->loader().progress().completeProgress(identifier);
-  probe::didFinishLoading(frame(), identifier, finishTime, encodedDataLength);
+  probe::didFinishLoading(frame(), identifier, finishTime, encodedDataLength,
+                          decodedBodyLength);
   if (frame()->frameScheduler())
     frame()->frameScheduler()->didStopLoading(identifier);
 }
 
 void FrameFetchContext::dispatchDidFail(unsigned long identifier,
                                         const ResourceError& error,
                                         int64_t encodedDataLength,
                                         bool isInternalRequest) {
-  TRACE_EVENT1("devtools.timeline", "ResourceFinish", "data",
-               InspectorResourceFinishEvent::data(identifier, 0, true,
-                                                  encodedDataLength, 0));
   frame()->loader().progress().completeProgress(identifier);
   probe::didFailLoading(frame(), identifier, error);
   // Notification to FrameConsole should come AFTER InspectorInstrumentation
   // call, DevTools front-end relies on this.
   if (!isInternalRequest)
     frame()->console().didFailLoading(identifier, error);
   if (frame()->frameScheduler())
     frame()->frameScheduler()->didStopLoading(identifier);
 }
 
@@ skipping 521 matching lines @@
   return frame()->frameScheduler()->loadingTaskRunner();
 }
 
 void FrameFetchContext::dispatchDidReceiveResponseInternal(
     unsigned long identifier,
     const ResourceResponse& response,
     WebURLRequest::FrameType frameType,
     WebURLRequest::RequestContext requestContext,
     Resource* resource,
     LinkLoader::CanLoadResources resourceLoadingPolicy) {
-  TRACE_EVENT1(
-      "devtools.timeline", "ResourceReceiveResponse", "data",
-      InspectorReceiveResponseEvent::data(identifier, frame(), response));
   MixedContentChecker::checkMixedPrivatePublic(frame(),
                                                response.remoteIPAddress());
   if (m_documentLoader &&
       m_documentLoader ==
           m_documentLoader->frame()->loader().provisionalDocumentLoader()) {
     FrameClientHintsPreferencesContext hintsContext(frame());
     m_documentLoader->clientHintsPreferences()
         .updateFromAcceptClientHintsHeader(
             response.httpHeaderField(HTTPNames::Accept_CH), &hintsContext);
     // When response is received with a provisional docloader, the resource
@@ skipping 20 matching lines @@
                                                     response);
 }
 
 DEFINE_TRACE(FrameFetchContext) {
   visitor->trace(m_document);
   visitor->trace(m_documentLoader);
   FetchContext::trace(visitor);
 }
 
 }  // namespace blink