Revert 150375 - Implement SHA-256 fingerprint support

net/base/cert_verify_proc.cc

Index: net/base/cert_verify_proc.cc
===================================================================
--- net/base/cert_verify_proc.cc	(revision 150506)
+++ net/base/cert_verify_proc.cc	(working copy)
@@ -217,9 +217,8 @@
 }
 
 // static
-// NOTE: This implementation assumes and enforces that the hashes are SHA1.
 bool CertVerifyProc::IsPublicKeyBlacklisted(
-    const std::vector<HashValueVector>& public_key_hashes) {
+    const std::vector<SHA1Fingerprint>& public_key_hashes) {
   static const unsigned kNumHashes = 9;
   static const uint8 kHashes[kNumHashes][base::kSHA1Length] = {
     // Subject: CN=DigiNotar Root CA
@@ -264,14 +263,11 @@
      0xd1, 0x72, 0xbd, 0x53, 0xe0, 0xd3, 0x07, 0x83, 0x4b, 0xd1},
   };
 
-  const HashValueVector& sha1_hashes = public_key_hashes[HASH_VALUE_SHA1];
   for (unsigned i = 0; i < kNumHashes; i++) {
-    for (HashValueVector::const_iterator j = sha1_hashes.begin();
-         j != sha1_hashes.end(); ++j) {
-      if (j->tag == HASH_VALUE_SHA1 &&
-          memcmp(j->data(), kHashes[i], base::kSHA1Length) == 0) {
+    for (std::vector<SHA1Fingerprint>::const_iterator
+         j = public_key_hashes.begin(); j != public_key_hashes.end(); ++j) {
+      if (memcmp(j->data, kHashes[i], base::kSHA1Length) == 0)
         return true;
-      }
     }
   }