[NOT FOR REVIEW] Instrument net/ with trace events.

net/url_request/url_request_http_job.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/url_request/url_request_http_job.h"
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
@@ skipping 37 matching lines @@
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_backoff_manager.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_error_job.h"
 #include "net/url_request/url_request_job_factory.h"
 #include "net/url_request/url_request_redirect_job.h"
 #include "net/url_request/url_request_throttler_manager.h"
 #include "net/websockets/websocket_handshake_stream_base.h"
 #include "url/origin.h"
 
+#include "base/trace_event/trace_event.h"
+
 static const char kAvailDictionaryHeader[] = "Avail-Dictionary";
 
 namespace {
 
 // True if the request method is "safe" (per section 4.2.1 of RFC 7231).
 bool IsMethodSafe(const std::string& method) {
   return method == "GET" || method == "HEAD" || method == "OPTIONS" ||
          method == "TRACE";
 }
 
@@ skipping 959 matching lines @@
 void URLRequestHttpJob::OnHeadersReceivedCallback(int result) {
   awaiting_callback_ = false;
 
   // Check that there are no callbacks to already canceled requests.
   DCHECK_NE(URLRequestStatus::CANCELED, GetStatus().status());
 
   SaveCookiesAndNotifyHeadersComplete(result);
 }
 
 void URLRequestHttpJob::OnReadCompleted(int result) {
+  TRACE_EVENT0("net", "net::URLRequestHttpJob::OnReadCompleted");
   read_in_progress_ = false;
 
   DCHECK_NE(ERR_IO_PENDING, result);
 
   if (ShouldFixMismatchedContentLength(result))
     result = OK;
 
   // EOF or error, done with this job.
   if (result <= 0)
     DoneWithRequest(FINISHED);
@@ skipping 554 matching lines @@
   return override_response_headers_.get() ?
              override_response_headers_.get() :
              transaction_->GetResponseInfo()->headers.get();
 }
 
 void URLRequestHttpJob::NotifyURLRequestDestroyed() {
   awaiting_callback_ = false;
 }
 
 }  // namespace net