Allow TrustStore queries to be asynchronous.

net/cert/internal/trust_store_in_memory.cc

 // Copyright 2016 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/cert/internal/trust_store_in_memory.h"
 
 namespace net {
 
 TrustStoreInMemory::TrustStoreInMemory() = default;
 TrustStoreInMemory::~TrustStoreInMemory() = default;
 
 void TrustStoreInMemory::Clear() {
   anchors_.clear();
 }
 
 void TrustStoreInMemory::AddTrustAnchor(scoped_refptr<TrustAnchor> anchor) {
   // TODO(mattm): should this check for duplicate anchors?
   anchors_.insert(std::make_pair(anchor->normalized_subject().AsStringPiece(),
                                  std::move(anchor)));
 }
 
-void TrustStoreInMemory::FindTrustAnchorsByNormalizedName(
-    const der::Input& normalized_name,
-    TrustAnchors* matches) const {
-  auto range = anchors_.equal_range(normalized_name.AsStringPiece());
+void TrustStoreInMemory::FindTrustAnchorsForCert(
+    const ParsedCertificate* cert,
+    const TrustAnchorsCallback& callback,
+    TrustAnchors* synchronous_matches,
+    std::unique_ptr<Request>* out_req) const {
+  auto range = anchors_.equal_range(cert->normalized_issuer().AsStringPiece());
   for (auto it = range.first; it != range.second; ++it)
-    matches->push_back(it->second);
+    synchronous_matches->push_back(it->second);
 }
 
 }  // namespace net