[NOT FOR LANDING] Detailed loading traces

net/http/partial_data.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/http/partial_data.h"
 
 #include <limits>
 
+#include "base/trace_event/trace_event.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "net/base/net_errors.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/http/http_response_headers.h"
@@ skipping 18 matching lines @@
       cached_min_len_(0),
       range_present_(false),
       final_range_(false),
       sparse_entry_(true),
       truncated_(false),
       initial_validation_(false),
       weak_factory_(this) {
 }
 
 PartialData::~PartialData() {
+  TRACE_EVENT0("toplevel", "PartialData::~PartialData");
 }
 
 bool PartialData::Init(const HttpRequestHeaders& headers) {
   std::string range_header;
   if (!headers.GetHeader(HttpRequestHeaders::kRange, &range_header))
     return false;
 
   std::vector<HttpByteRange> ranges;
   if (!HttpUtil::ParseRangeHeader(range_header, &ranges) || ranges.size() != 1)
     return false;
@@ skipping 378 matching lines @@
   cached_min_len_ = result;
   if (result >= 0)
     result = 1;  // Return success, go ahead and validate the entry.
 
   CompletionCallback cb = callback_;
   callback_.Reset();
   cb.Run(result);
 }
 
 }  // namespace net