base: Remove the string logging from CHECK().

net/android/network_change_notifier_android.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.
 
 ////////////////////////////////////////////////////////////////////////////////
 // Threading considerations:
 //
 // This class is designed to meet various threading guarantees starting from the
 // ones imposed by NetworkChangeNotifier:
 // - The notifier can be constructed on any thread.
@@ skipping 223 matching lines @@
 }
 
 NetworkChangeNotifierAndroid::NetworkChangeNotifierAndroid(
     NetworkChangeNotifierDelegateAndroid* delegate,
     const DnsConfig* dns_config_for_testing)
     : NetworkChangeNotifier(NetworkChangeCalculatorParamsAndroid()),
       delegate_(delegate),
       dns_config_service_thread_(
           new DnsConfigServiceThread(dns_config_for_testing)),
       force_network_handles_supported_for_testing_(false) {
-  CHECK_EQ(NetId::INVALID, NetworkChangeNotifier::kInvalidNetworkHandle)
-      << "kInvalidNetworkHandle doesn't match NetId::INVALID";
+  // kInvalidNetworkHandle doesn't match NetId::INVALID
+  CHECK_EQ(NetId::INVALID, NetworkChangeNotifier::kInvalidNetworkHandle);
   delegate_->AddObserver(this);
   dns_config_service_thread_->StartWithOptions(
       base::Thread::Options(base::MessageLoop::TYPE_IO, 0));
   // Wait until Init is called on the DNS config thread before
   // calling InitAfterStart.
   dns_config_service_thread_->WaitUntilThreadStarted();
   dns_config_service_thread_->InitAfterStart();
 }
 
 // static
@@ skipping 19 matching lines @@
       NetworkChangeNotifier::GetConnectionType();
   NetworkChangeNotifier::LogOperatorCodeHistogram(type);
   if (NetworkChangeNotifier::IsConnectionCellular(type)) {
     UMA_HISTOGRAM_ENUMERATION("NCN.CellularConnectionSubtype",
                               delegate_->GetCurrentConnectionSubtype(),
                               SUBTYPE_LAST + 1);
   }
 }
 
 }  // namespace net