base: Remove the string logging from CHECK().

ui/views/widget/desktop_aura/desktop_factory_ozone.cc

 // Copyright 2013 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 "ui/views/widget/desktop_aura/desktop_factory_ozone.h"
 
 #include "base/logging.h"
 
 namespace views {
 
 // static
 DesktopFactoryOzone* DesktopFactoryOzone::impl_ = NULL;
 
 DesktopFactoryOzone::DesktopFactoryOzone() {
 }
 
 DesktopFactoryOzone::~DesktopFactoryOzone() {
 }
 
 DesktopFactoryOzone* DesktopFactoryOzone::GetInstance() {
-  CHECK(impl_) << "DesktopFactoryOzone accessed before constructed";
+  // DesktopFactoryOzone accessed before constructed
+  CHECK(impl_);
   return impl_;
 }
 
 void DesktopFactoryOzone::SetInstance(DesktopFactoryOzone* impl) {
   impl_ = impl;
 }
 
 } // namespace views