base: Remove the string logging from CHECK().

device/usb/usb_device_impl.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 "device/usb/usb_device_impl.h"
 
 #include <fcntl.h>
 #include <stddef.h>
 
 #include <algorithm>
@@ skipping 27 matching lines @@
                 descriptor.idVendor,
                 descriptor.idProduct,
                 descriptor.bcdDevice,
                 base::string16(),
                 base::string16(),
                 base::string16()),
       platform_device_(platform_device),
       context_(context),
       task_runner_(base::ThreadTaskRunnerHandle::Get()),
       blocking_task_runner_(blocking_task_runner) {
-  CHECK(platform_device) << "platform_device cannot be NULL";
+  // platform_device cannot be NULL
+  CHECK(platform_device);
   libusb_ref_device(platform_device);
   ReadAllConfigurations();
   RefreshActiveConfiguration();
 }
 
 UsbDeviceImpl::~UsbDeviceImpl() {
   // The destructor must be safe to call from any thread.
   libusb_unref_device(platform_device_);
 }
 
@@ skipping 58 matching lines @@
 void UsbDeviceImpl::Opened(PlatformUsbDeviceHandle platform_handle,
                            const OpenCallback& callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
   scoped_refptr<UsbDeviceHandle> device_handle = new UsbDeviceHandleImpl(
       context_, this, platform_handle, blocking_task_runner_);
   handles().push_back(device_handle.get());
   callback.Run(device_handle);
 }
 
 }  // namespace device