Add TRACE_EVENT macros to net (after crrev.com/1834273002)

chrome/browser/net/crl_set_fetcher.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 "chrome/browser/net/crl_set_fetcher.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/rand_util.h"
@@ skipping 45 matching lines @@
     return;
   SetCRLSetFilePath(path);
   if (!BrowserThread::PostTask(
           BrowserThread::FILE, FROM_HERE,
           base::Bind(&CRLSetFetcher::DoDeleteFromDisk, this))) {
     NOTREACHED();
   }
 }
 
 void CRLSetFetcher::DoInitialLoadFromDisk() {
+  TRACE_EVENT0("net", "CRLSetFetcher::DoInitialLoadFromDisk");
   DCHECK_CURRENTLY_ON(BrowserThread::FILE);
 
   LoadFromDisk(GetCRLSetFilePath(), &crl_set_);
 
   uint32_t sequence_of_loaded_crl = 0;
   if (crl_set_.get())
     sequence_of_loaded_crl = crl_set_->sequence();
 
   // Get updates, advertising the sequence number of the CRL set that we just
   // loaded, if any.
   if (!BrowserThread::PostTask(
           BrowserThread::UI, FROM_HERE,
           base::Bind(
               &CRLSetFetcher::RegisterComponent,
               this,
               sequence_of_loaded_crl))) {
     NOTREACHED();
   }
 }
 
 void CRLSetFetcher::LoadFromDisk(base::FilePath path,
                                  scoped_refptr<net::CRLSet>* out_crl_set) {
-  TRACE_EVENT0("CRLSetFetcher", "LoadFromDisk");
+  TRACE_EVENT0("net", "CRLSetFetcher::LoadFromDisk");
 
   DCHECK_CURRENTLY_ON(BrowserThread::FILE);
 
   std::string crl_set_bytes;
   {
-    TRACE_EVENT0("CRLSetFetcher", "ReadFileToString");
+    TRACE_EVENT0("net", "CRLSetFetcher::ReadFileToString");
     if (!base::ReadFileToString(path, &crl_set_bytes))
       return;
   }
 
   if (!net::CRLSetStorage::Parse(crl_set_bytes, out_crl_set)) {
     LOG(WARNING) << "Failed to parse CRL set from " << path.MaybeAsASCII();
     return;
   }
 
   VLOG(1) << "Loaded " << crl_set_bytes.size() << " bytes of CRL set from disk";
@@ skipping 131 matching lines @@
 bool CRLSetFetcher::GetInstalledFile(
     const std::string& file, base::FilePath* installed_file) {
   return false;
 }
 
 bool CRLSetFetcher::Uninstall() {
   return false;
 }
 
 CRLSetFetcher::~CRLSetFetcher() {}