Cert - protobufs to serialize and deserialize CertVerifierCache.

net/BUILD.gn

Index: net/BUILD.gn
diff --git a/net/BUILD.gn b/net/BUILD.gn
index 3bbbe77f4d1b954f689453ec201eeda1c1db5783..7b55936a67427ecaad3fbc4a4595429e6328fb35 100644
--- a/net/BUILD.gn
+++ b/net/BUILD.gn
@@ -122,6 +122,7 @@ component("net") {
   ]
 
   public_deps = [
+    ":net_cert_proto",
     ":net_quic_proto",
     "//crypto",
     "//crypto:platform",
@@ -426,6 +427,20 @@ grit("net_resources") {
   ]
 }
 
+proto_library("net_cert_proto") {
+  visibility = [ ":net" ]
+
+  sources = [
+    "cert/proto/cert_verification.proto",
+  ]
+  cc_generator_options = "dllexport_decl=NET_EXPORT_PRIVATE:"
+  cc_include = "net/base/net_export.h"
+
+  defines = [ "NET_IMPLEMENTATION" ]
+
+  extra_configs = [ "//build/config/compiler:wexit_time_destructors" ]
+}
+
 proto_library("net_quic_proto") {
   visibility = [ ":net" ]