Use separate SSL session caches per profile

net/base/ssl_config_service.cc

Index: net/base/ssl_config_service.cc
diff --git a/net/base/ssl_config_service.cc b/net/base/ssl_config_service.cc
index d02df385b93c3e088709dd1881d1f1178f9d207d..b689560fcc29863aa16fdd766b5a7deb86dcbc54 100644
--- a/net/base/ssl_config_service.cc
+++ b/net/base/ssl_config_service.cc
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/atomic_sequence_num.h"
 #include "net/base/ssl_config_service.h"
 #include "net/base/ssl_false_start_blacklist.h"
 
@@ -24,7 +25,7 @@ SSLConfig::SSLConfig()
       tls1_enabled(true), dnssec_enabled(false), snap_start_enabled(false),
       dns_cert_provenance_checking_enabled(false),
       session_resume_disabled(false), mitm_proxies_allowed(false),
-      false_start_enabled(true), send_client_cert(false),
+      false_start_enabled(true), session_cache_id(0), send_client_cert(false),
       verify_ev_cert(false), ssl3_fallback(false) {
 }
 
@@ -39,8 +40,11 @@ bool SSLConfig::IsAllowedBadCert(X509Certificate* cert) const {
   return false;
 }
 
+static base::AtomicSequenceNumber g_session_cache_id(base::LINKER_INITIALIZED);
+
 SSLConfigService::SSLConfigService()
-    : observer_list_(ObserverList<Observer>::NOTIFY_EXISTING_ONLY) {
+    : session_cache_id_(g_session_cache_id.GetNext()),
+      observer_list_(ObserverList<Observer>::NOTIFY_EXISTING_ONLY) {
 }
 
 SSLConfigService::~SSLConfigService() {
@@ -99,7 +103,6 @@ static bool g_mitm_proxies_allowed = false;
 static bool g_snap_start_enabled = false;
 static bool g_dns_cert_provenance_checking = false;
 
-// static
 void SSLConfigService::SetSSLConfigFlags(SSLConfig* ssl_config) {
   ssl_config->dnssec_enabled = g_dnssec_enabled;
   ssl_config->false_start_enabled = g_false_start_enabled;
@@ -107,6 +110,7 @@ void SSLConfigService::SetSSLConfigFlags(SSLConfig* ssl_config) {
   ssl_config->snap_start_enabled = g_snap_start_enabled;
   ssl_config->dns_cert_provenance_checking_enabled =
       g_dns_cert_provenance_checking;
+  ssl_config->session_cache_id = session_cache_id_;
 }
 
 // static