base: Remove the string logging from CHECK().

chromeos/network/onc/onc_utils_unittest.cc

 // Copyright (c) 2012 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 "chromeos/network/onc/onc_utils.h"
 
 #include <string>
 
 #include "base/json/json_file_value_serializer.h"
 #include "base/json/json_reader.h"
@@ skipping 15 matching lines @@
   base::FilePath path;
   std::unique_ptr<base::Value> result;
   if (!test_utils::GetTestDataPath("network", filename, &path)) {
     NOTREACHED() << "Unable to get test file path for: " << filename;
     return result;
   }
   JSONFileValueDeserializer deserializer(path,
                                          base::JSON_ALLOW_TRAILING_COMMAS);
   std::string error_message;
   result = deserializer.Deserialize(nullptr, &error_message);
-  CHECK(result != nullptr) << "Couldn't json-deserialize file: " << filename
-                           << ": " << error_message;
+  CHECK(result != nullptr);
   return result;
 }
 
 }  // namespace
 
 namespace onc {
 
 TEST(ONCDecrypterTest, BrokenEncryptionIterations) {
   std::unique_ptr<base::DictionaryValue> encrypted_onc =
       test_utils::ReadTestDictionary("broken-encrypted-iterations.onc");
@@ skipping 167 matching lines @@
 
     std::unique_ptr<base::DictionaryValue> actual_proxy_settings =
         ConvertProxyConfigToOncProxySettings(*shill_proxy_config);
     EXPECT_TRUE(
         test_utils::Equals(onc_proxy_settings, actual_proxy_settings.get()));
   }
 }
 
 }  // namespace onc
 }  // namespace chromeos