Remove residual support for SHA-1 public key pins.

net/tools/transport_security_state_generator/spki_hash_unittest.cc

 // Copyright 2017 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/tools/transport_security_state_generator/spki_hash.h"
 #include "base/strings/string_number_conversions.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
@@ skipping 22 matching lines @@
   std::vector<uint8_t> hash_vector2(hash2.data(), hash2.data() + hash2.size());
   EXPECT_THAT(
       hash_vector2,
       testing::ElementsAreArray(
           {0xE2, 0x8B, 0x14, 0xEF, 0xD8, 0x5F, 0x63, 0x73, 0xF6, 0xF9, 0x62,
            0x46, 0x95, 0x3D, 0XA6, 0xC6, 0x64, 0x8B, 0xFB, 0x91, 0x48, 0xC0,
            0xB1, 0x15, 0xC5, 0x34, 0x1C, 0x6A, 0xFC, 0x81, 0x36, 0x04}));
 
   SPKIHash hash3;
 
-  // Valid SHA1 should rejected.
+  // Valid SHA1 should be rejected.
   EXPECT_FALSE(hash3.FromString("sha1/111111111111111111111111111="));
   EXPECT_FALSE(hash3.FromString("sha1/gzF+YoVCU9bXeDGQ7JGQVumRueM="));
 
   // SHA1 disguised as SHA256.
   EXPECT_FALSE(hash3.FromString("sha256/111111111111111111111111111="));
 
   // SHA512 disguised as SHA256.
   EXPECT_FALSE(
       hash3.FromString("sha256/ns3smS51SK/4P7uSVhSlCIMNAxkD+r6C/ZZA/"
                        "07vac0uyMdRS4jKfqlvk3XxLFP1v5aMIxM5cdTM7FHNwxagQg=="));
 
   // Invalid BASE64.
   EXPECT_FALSE(hash3.FromString("sha256/hsts-preload"));
   EXPECT_FALSE(hash3.FromString("sha256/1. 2. 3. security!="));
 }
 
 }  // namespace
 
 }  // namespace transport_security_state
 
 }  // namespace net