Refactor how net/data/verify_certificate_chain_unittest/*

net/cert/internal/trust_store_collection_unittest.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_collection.h"
 
 #include "net/cert/internal/test_helpers.h"
 #include "net/cert/internal/trust_store_in_memory.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 
 namespace {
 
 class TrustStoreCollectionTest : public testing::Test {
  public:
   void SetUp() override {
     ParsedCertificateList chain;
-
-    VerifyCertChainTest test;
-    ReadVerifyCertChainTestFromFile(
-        "net/data/verify_certificate_chain_unittest/key-rollover-oldchain.pem",
-        &test);
-    chain = test.chain;
+    ASSERT_TRUE(ReadCertChainFromFile(
+        "net/data/verify_certificate_chain_unittest/key-rollover/oldchain.pem",
+        &chain));
 
     ASSERT_EQ(3U, chain.size());
     target_ = chain[0];
     oldintermediate_ = chain[1];
     oldroot_ = chain[2];
     ASSERT_TRUE(target_);
     ASSERT_TRUE(oldintermediate_);
     ASSERT_TRUE(oldroot_);
 
-    ReadVerifyCertChainTestFromFile(
-        "net/data/verify_certificate_chain_unittest/"
-        "key-rollover-longrolloverchain.pem",
-        &test);
-    chain = test.chain;
+    ASSERT_TRUE(
+        ReadCertChainFromFile("net/data/verify_certificate_chain_unittest/"
+                              "key-rollover/longrolloverchain.pem",
+                              &chain));
 
     ASSERT_EQ(5U, chain.size());
     newintermediate_ = chain[1];
     newroot_ = chain[2];
     newrootrollover_ = chain[3];
     ASSERT_TRUE(newintermediate_);
     ASSERT_TRUE(newroot_);
     ASSERT_TRUE(newrootrollover_);
   }
 
@@ skipping 128 matching lines @@
   EXPECT_EQ(CertificateTrustType::DISTRUSTED, trust.type);
 
   // newrootrollover_ is unspecified.
   collection.GetTrust(newrootrollover_, &trust);
   EXPECT_EQ(CertificateTrustType::UNSPECIFIED, trust.type);
 }
 
 }  // namespace
 
 }  // namespace net