Make the request initiator Optional

content/common/resource_messages.cc

Index: content/common/resource_messages.cc
diff --git a/content/common/resource_messages.cc b/content/common/resource_messages.cc
index 31330a7e2080c3b3be15f73fb19970becba02885..a62985f376fff7557d6d30a539f7d33b35ea07b2 100644
--- a/content/common/resource_messages.cc
+++ b/content/common/resource_messages.cc
@@ -480,4 +480,69 @@ void ParamTraits<scoped_refptr<net::ct::SignedCertificateTimestamp>>::Log(
   l->append("<SignedCertificateTimestamp>");
 }
 
+void ParamTraits<scoped_refptr<url::NullableOrigin>>::GetSize(
+    base::PickleSizer* s,
+    const param_type& p) {
+  GetParamSize(s, p.get() != NULL);
+  if (p.get()) {
+    GetParamSize(s, p->unique());
+    GetParamSize(s, p->scheme());
+    GetParamSize(s, p->host());
+    GetParamSize(s, p->port());
+  }
+}
+
+void ParamTraits<scoped_refptr<url::NullableOrigin>>::Write(
+    base::Pickle* m,
+    const param_type& p) {
+  WriteParam(m, p.get() != NULL);
+  if (p.get()) {
+    WriteParam(m, p->unique());
+    WriteParam(m, p->scheme());
+    WriteParam(m, p->host());
+    WriteParam(m, p->port());
+  }
+}
+
+bool ParamTraits<scoped_refptr<url::NullableOrigin>>::Read(
+    const base::Pickle* m,
+    base::PickleIterator* iter,
+    param_type* r) {
+  bool has_object;
+  if (!ReadParam(m, iter, &has_object))
+    return false;
+
+  if (!has_object)
+    return true;
+
+  bool unique;
+  std::string scheme;
+  std::string host;
+  uint16_t port;
+  if (!ReadParam(m, iter, &unique) || !ReadParam(m, iter, &scheme) ||
+      !ReadParam(m, iter, &host) || !ReadParam(m, iter, &port)) {
+    return false;
+  }
+
+  *r = unique ? new url::NullableOrigin(url::Origin())
+              : new url::NullableOrigin(
+                    url::Origin::UnsafelyCreateOriginWithoutNormalization(
+                        scheme, host, port));
+
+  // If a unique origin was created, but the unique flag wasn't set, then
+  // the values provided to 'UnsafelyCreateOriginWithoutNormalization' were
+  // invalid; kill the renderer.
+  if (!unique && (*r)->unique())
+    return false;
+
+  return true;
+}
+
+void ParamTraits<scoped_refptr<url::NullableOrigin>>::Log(const param_type& p,
+                                                          std::string* l) {
+  l->append("<NullableOrigin>");
+  if (p.get())
+    l->append(p->Serialize());
+}
+
 }  // namespace IPC