Add CertIssuerSourceAia: authorityInfoAccess fetching for CertPathBuilder.

net/cert/internal/parsed_certificate.h

Index: net/cert/internal/parsed_certificate.h
diff --git a/net/cert/internal/parsed_certificate.h b/net/cert/internal/parsed_certificate.h
index 7c9ae3cba75508c4957b7dbb7128bb0514a0059f..5330928534d0768eb898f0df0e26d2b19ce83d25 100644
--- a/net/cert/internal/parsed_certificate.h
+++ b/net/cert/internal/parsed_certificate.h
@@ -152,6 +152,19 @@ class NET_EXPORT ParsedCertificate
     return *name_constraints_;
   }
 
+  // Returns true if the certificate has an AuthorityInfoAccess extension.
+  bool has_authority_info_access() const { return has_authority_info_access_; }
+  // Returns the ParsedExtension struct for the AuthorityInfoAccess extension.
+  const ParsedExtension& authority_info_access_extension() const {
+    return authority_info_access_extension_;
+  }
+  // Returns any caIssuers URIs from the AuthorityInfoAccess extension.

[eroman, 2016/06/04 01:08:48]

nit: space after closing bracket (and elsewhere). Not sure if the style guide
requires this, but reads more easily for me and I think it is more common in our
code, but feel free to challenge.

[mattm, 2016/06/04 03:24:09]

Done.

+  const std::vector<base::StringPiece>& ca_issuers_uris() const {
+    return ca_issuers_uris_;
+  }
+  // Returns any ocsp URIs from the AuthorityInfoAccess extension.

[eroman, 2016/06/04 01:08:48]

nit: ocsp --> OCSP

[mattm, 2016/06/04 03:24:09]

Done.

+  const std::vector<base::StringPiece>& ocsp_uris() const { return ocsp_uris_; }
+
   // Returns a map of unhandled extensions (excludes the ones above).
   const ExtensionsMap& unparsed_extensions() const {
     return unparsed_extensions_;
@@ -202,6 +215,15 @@ class NET_EXPORT ParsedCertificate
   // NameConstraints extension.
   std::unique_ptr<NameConstraints> name_constraints_;
 
+  // AuthorityInfoAccess extension.
+  bool has_authority_info_access_;
+  ParsedExtension authority_info_access_extension_;
+  // CaIssuers and Ocsp URIs parsed from the AuthorityInfoAccess extension. Note
+  // that the AuthorityInfoAccess may have contained other AccessDescriptions
+  // which are not represented here.
+  std::vector<base::StringPiece> ca_issuers_uris_;
+  std::vector<base::StringPiece> ocsp_uris_;
+
   // The remaining extensions (excludes the standard ones above).
   ExtensionsMap unparsed_extensions_;