Extracted UsbConfigDescriptor, UsbInterfaceDescriptor and helper classes

components/usb_service/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 "components/usb_service/usb_device_impl.h"
 
 #include <algorithm>
 
 #include "base/stl_util.h"
 #include "components/usb_service/usb_context.h"
 #include "components/usb_service/usb_device_handle.h"
+#include "components/usb_service/usb_interface_impl.h"
 #include "content/public/browser/browser_thread.h"
 #include "third_party/libusb/src/libusb/libusb.h"
 
 #if defined(OS_CHROMEOS)
 #include "base/sys_info.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/permission_broker_client.h"
 #endif  // defined(OS_CHROMEOS)
 
 using content::BrowserThread;
@@ skipping 97 matching lines @@
   return false;
 }
 
 scoped_refptr<UsbConfigDescriptor> UsbDeviceImpl::ListInterfaces() {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   PlatformUsbConfigDescriptor platform_config;
   const int list_result =
       libusb_get_active_config_descriptor(platform_device_, &platform_config);
   if (list_result == 0)
-    return new UsbConfigDescriptor(platform_config);
+    return new UsbConfigDescriptorImpl(platform_config);
 
   return NULL;
 }
 
 void UsbDeviceImpl::OnDisconnect() {
   DCHECK(thread_checker_.CalledOnValidThread());
   HandlesVector handles;
   swap(handles, handles_);
   for (std::vector<scoped_refptr<UsbDeviceHandle> >::iterator it =
            handles.begin();
        it != handles.end();
        ++it) {
     (*it)->InternalClose();
   }
 }
 
 }  // namespace usb_service