base: Remove the string logging from CHECK().

components/cronet/url_request_context_config.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 "components/cronet/url_request_context_config.h"
 
 #include <utility>
 
 #include "base/json/json_reader.h"
 #include "base/logging.h"
@@ skipping 231 matching lines @@
 
   const base::DictionaryValue* host_resolver_rules_args = nullptr;
   if (dict->GetDictionary(kHostResolverRulesFieldTrialName,
                           &host_resolver_rules_args)) {
     host_resolver_rules_enable = host_resolver_rules_args->GetString(
         kHostResolverRules, &host_resolver_rules_string);
   }
 
   if (async_dns_enable || stale_dns_enable || host_resolver_rules_enable) {
     if (net_log == nullptr) {
-      CHECK(false) << "AsyncDNS, StaleDNS, and HostResolverRules experiments "
-                   << "require NetLog.";
+      // AsyncDNS, StaleDNS, and HostResolverRules experiments require NetLog.
+      CHECK(false);
     }
     std::unique_ptr<net::HostResolver> host_resolver;
     if (stale_dns_enable) {
       host_resolver.reset(new StaleHostResolver(
           net::HostResolver::CreateDefaultResolverImpl(net_log),
           stale_dns_options));
     } else {
       host_resolver = net::HostResolver::CreateDefaultResolver(net_log);
     }
     if (async_dns_enable)
@@ skipping 122 matching lines @@
         std::move(mock_cert_verifier));
   } else {
     // net::CertVerifier::CreateDefault() returns a CachingCertVerifier.
     cert_verifier = net::CertVerifier::CreateDefault();
   }
   context_builder->SetCertVerifier(std::move(cert_verifier));
   // TODO(mef): Use |config| to set cookies.
 }
 
 }  // namespace cronet