Move Cast certificate verification code from extensions to components.

extensions/browser/api/cast_channel/cast_auth_util_unittest.cc

 // Copyright 2014 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 "extensions/browser/api/cast_channel/cast_auth_util.h"
 
 #include <string>
 
 #include "base/macros.h"
+#include "components/cast_certificate/cast_cert_validator_test_helpers.h"
 #include "extensions/common/api/cast_channel/cast_channel.pb.h"
-#include "extensions/common/cast/cast_cert_validator_test_helpers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace extensions {
 namespace api {
 namespace cast_channel {
 namespace {
 
 class CastAuthUtilTest : public testing::Test {
  public:
   CastAuthUtilTest() {}
   ~CastAuthUtilTest() override {}
 
   void SetUp() override {}
 
  protected:
   static AuthResponse CreateAuthResponse(std::string* signed_data) {
-    auto chain = cast_test_helpers::ReadCertificateChainFromFile(
-        "cast_certificates/chromecast_gen1.pem");
+    auto chain = cast_certificate::testing::ReadCertificateChainFromFile(
+        "certificates/chromecast_gen1.pem");
     CHECK(!chain.empty());
 
-    auto signature_data = cast_test_helpers::ReadSignatureTestData(
-        "cast_signeddata/2ZZBG9_FA8FCA3EF91A.pem");
+    auto signature_data = cast_certificate::testing::ReadSignatureTestData(
+        "signeddata/2ZZBG9_FA8FCA3EF91A.pem");
 
     AuthResponse response;
 
     response.set_client_auth_certificate(chain[0]);
     for (size_t i = 1; i < chain.size(); ++i)
       response.add_intermediate_certificate(chain[i]);
 
     response.set_signature(signature_data.signature_sha1);
     *signed_data = signature_data.message;
 
@@ skipping 49 matching lines @@
   MangleString(&signed_data);
   AuthResult result = VerifyCredentials(auth_response, signed_data);
   EXPECT_FALSE(result.success());
   EXPECT_EQ(AuthResult::ERROR_SIGNED_BLOBS_MISMATCH, result.error_type);
 }
 
 }  // namespace
 }  // namespace cast_channel
 }  // namespace api
 }  // namespace extensions