base: Remove the string logging from CHECK().

services/service_manager/runner/host/linux_sandbox.cc

 // Copyright 2015 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/runner/host/linux_sandbox.h"
 
 #include <fcntl.h>
 #include <sys/syscall.h>
 #include <utility>
 
@@ skipping 133 matching lines @@
   CHECK(sandbox::Credentials::DropAllCapabilities(proc_fd_.get()));
 }
 
 void LinuxSandbox::EngageSeccompSandbox() {
   CHECK(warmed_up_);
   sandbox::SandboxBPF sandbox(policy_.release());
   base::ScopedFD proc_fd(HANDLE_EINTR(
       openat(proc_fd_.get(), ".", O_RDONLY | O_DIRECTORY | O_CLOEXEC)));
   CHECK(proc_fd.is_valid());
   sandbox.SetProcFd(std::move(proc_fd));
+  // Starting the process with a sandbox failed. Missing kernel support.
   CHECK(
-      sandbox.StartSandbox(sandbox::SandboxBPF::SeccompLevel::SINGLE_THREADED))
-      << "Starting the process with a sandbox failed. Missing kernel support.";
+      sandbox.StartSandbox(sandbox::SandboxBPF::SeccompLevel::SINGLE_THREADED));
 
   // The Broker is now bound to this process and should only be destroyed when
   // the process exits or is killed.
   sandbox::syscall_broker::BrokerProcess* leaked_broker = broker_.release();
   ALLOW_UNUSED_LOCAL(leaked_broker);
   ANNOTATE_LEAKING_OBJECT_PTR(leaked_broker);
 }
 
 void LinuxSandbox::Seal() {
   proc_fd_.reset();
 }
 
 }  // namespace service_manager