base: Remove the string logging from CHECK().

chromeos/network/onc/onc_test_utils.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_test_utils.h"
 
 #include <utility>
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ skipping 39 matching lines @@
                  << kNetworkComponentDirectory << "/" << filename;
     return dict;
   }
 
   JSONFileValueDeserializer deserializer(path,
                                          base::JSON_ALLOW_TRAILING_COMMAS);
 
   std::string error_message;
   std::unique_ptr<base::Value> content =
       deserializer.Deserialize(NULL, &error_message);
-  CHECK(content != NULL) << "Couldn't json-deserialize file '"
-                         << filename << "': " << error_message;
+  CHECK(content != NULL);
 
   dict = base::DictionaryValue::From(std::move(content));
-  CHECK(dict) << "File '" << filename
-              << "' does not contain a dictionary as expected, but type "
-              << content->GetType();
+  // File '|filename|' does not contain a dictionary as expected, but type
+  // |content->GetType()|
+  CHECK(dict);
   return dict;
 }
 
 ::testing::AssertionResult Equals(const base::Value* expected,
                                   const base::Value* actual) {
   CHECK(expected != NULL);
   if (actual == NULL)
     return ::testing::AssertionFailure() << "Actual value pointer is NULL";
 
   if (expected->Equals(actual))
     return ::testing::AssertionSuccess() << "Values are equal";
 
   return ::testing::AssertionFailure() << "Values are unequal.\n"
                                        << "Expected value:\n" << *expected
                                        << "Actual value:\n" << *actual;
 }
 
 }  // namespace test_utils
 }  // namespace onc
 }  // namespace chromeos