base: Remove the string logging from CHECK().

components/nacl/loader/sandbox_linux/nacl_sandbox_linux.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/nacl/loader/sandbox_linux/nacl_sandbox_linux.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <stdint.h>
 #include <sys/prctl.h>
@@ skipping 106 matching lines @@
   return sandbox::ThreadHelpers::IsSingleThreaded(proc_fd_.get());
 }
 
 bool NaClSandbox::HasOpenDirectory() {
   CHECK(proc_fd_.is_valid());
   return sandbox::ProcUtil::HasOpenDirectory(proc_fd_.get());
 }
 
 void NaClSandbox::InitializeLayerOneSandbox() {
   // Check that IsSandboxed() works. We should not be sandboxed at this point.
-  CHECK(!IsSandboxed()) << "Unexpectedly sandboxed!";
+  // Unexpectedly sandboxed!
+  CHECK(!IsSandboxed());
 
   if (setuid_sandbox_client_->IsSuidSandboxChild()) {
     setuid_sandbox_client_->CloseDummyFile();
 
     // Make sure that no directory file descriptor is open, as it would bypass
     // the setuid sandbox model.
     CHECK(!HasOpenDirectory());
 
     // Get sandboxed.
     CHECK(setuid_sandbox_client_->ChrootMe());
@@ skipping 100 matching lines @@
     static const char kNoBpfMsg[] =
         "The seccomp-bpf sandbox is not engaged for NaCl:";
     if (can_be_no_sandbox)
       LOG(ERROR) << kNoBpfMsg << kItIsDangerousMsg;
     else
       LOG(FATAL) << kNoBpfMsg << kItIsNotAllowedMsg;
   }
 }
 
 }  // namespace nacl