Add atomic sequence number to ChannelIDService and check that in URLRequestHttpJob logging

net/ssl/channel_id_service.cc

 // Copyright 2014 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/ssl/channel_id_service.h"
 
 #include <algorithm>
 #include <limits>
 #include <utility>
 
+#include "base/atomic_sequence_num.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 10 matching lines @@
 #include "url/gurl.h"
 
 #if !defined(USE_OPENSSL)
 #include <private/pprthred.h>  // PR_DetachThread
 #endif
 
 namespace net {
 
 namespace {
 
+base::StaticAtomicSequenceNumber g_next_id;
+
 // Used by the GetDomainBoundCertResult histogram to record the final
 // outcome of each GetChannelID or GetOrCreateChannelID call.
 // Do not re-use values.
 enum GetChannelIDResult {
   // Synchronously found and returned an existing domain bound cert.
   SYNC_SUCCESS = 0,
   // Retrieved or generated and returned a domain bound cert asynchronously.
   ASYNC_SUCCESS = 1,
   // Retrieval/generation request was cancelled before the cert generation
   // completed.
@@ skipping 235 matching lines @@
 ChannelIDService::ChannelIDService(
     ChannelIDStore* channel_id_store,
     const scoped_refptr<base::TaskRunner>& task_runner)
     : channel_id_store_(channel_id_store),
       task_runner_(task_runner),
       requests_(0),
       key_store_hits_(0),
       inflight_joins_(0),
       workers_created_(0),
       weak_ptr_factory_(this) {
+  id_ = g_next_id.GetNext();
 }
 
 ChannelIDService::~ChannelIDService() {
   STLDeleteValues(&inflight_);
 }
 
 // static
 std::string ChannelIDService::GetDomainForHost(const std::string& host) {
   std::string domain =
       registry_controlled_domains::GetDomainAndRegistry(
@@ skipping 225 matching lines @@
   }
 
   return err;
 }
 
 int ChannelIDService::channel_id_count() {
   return channel_id_store_->GetChannelIDCount();
 }
 
 }  // namespace net