Change 'LOG(ERROR)' to 'VLOG(1)' in mojo bits.

services/service_manager/public/cpp/lib/interface_registry.cc

 // Copyright 2016 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 "services/service_manager/public/cpp/interface_registry.h"
 
 #include <sstream>
 
 #include "mojo/public/cpp/bindings/message.h"
 #include "services/service_manager/public/cpp/connection.h"
@@ skipping 189 matching lines @@
                                   std::move(handle));
     } else if (!default_binder_.is_null()) {
       default_binder_.Run(interface_name, std::move(handle));
     } else {
       std::stringstream ss;
       ss << "Failed to locate a binder for interface: " << interface_name
          << " requested by: " << remote_identity_.name() << " exposed by: "
          << local_identity_.name() << " via InterfaceProviderSpec \"" << name_
          << "\".";
       Serialize(&ss);
-      LOG(ERROR) << ss.str();
+      VLOG(1) << ss.str();

[Ben Goodger (Google), 2016/11/10 14:44:07]

We should leave this one as LOG(ERROR). It's important for debugging issues on
bots & pretty much anytime you see it it represents a catastrophic failure.

     }
   } else {
     std::stringstream ss;
     ss << "InterfaceProviderSpec \"" << name_ << "\" prevented service: "
        << remote_identity_.name() << " from binding interface: "
        << interface_name << " exposed by: " << local_identity_.name();
     Serialize(&ss);
     LOG(ERROR) << ss.str();
     mojo::ReportBadMessage(ss.str());
   }
@@ skipping 28 matching lines @@
       exposed_interfaces_.size() == 1 && exposed_interfaces_.count("*") == 1;
 }
 
 void InterfaceRegistry::OnConnectionError() {
   std::list<base::Closure> closures = connection_lost_closures_;
   for (const auto& closure : closures)
     closure.Run();
 }
 
 }  // namespace service_manager