Get all the UsbConfigDescriptor for the device configuration

extensions/browser/api/usb/usb_api.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 "extensions/browser/api/usb/usb_api.h"
 
 #include <string>
 #include <vector>
 
 #include "base/barrier_closure.h"
@@ skipping 748 matching lines @@
       GetConfiguration::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(parameters.get());
 
   scoped_refptr<UsbDeviceHandle> device_handle =
       GetDeviceHandle(parameters->handle);
   if (!device_handle.get()) {
     return RespondNow(Error(kErrorNoConnection));
   }
 
   const UsbConfigDescriptor* config_descriptor =
-      device_handle->GetDevice()->GetConfiguration();
+      device_handle->GetDevice()->GetActiveConfiguration();
   if (config_descriptor) {
     ConfigDescriptor config;
     ConvertConfigDescriptor(*config_descriptor, &config);
     return RespondNow(OneArgument(config.ToValue().release()));
   } else {
     return RespondNow(Error(kErrorNotConfigured));
   }
 }
 
 UsbListInterfacesFunction::UsbListInterfacesFunction() {
 }
 
 UsbListInterfacesFunction::~UsbListInterfacesFunction() {
 }
 
 ExtensionFunction::ResponseAction UsbListInterfacesFunction::Run() {
   scoped_ptr<extensions::api::usb::ListInterfaces::Params> parameters =
       ListInterfaces::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(parameters.get());
 
   scoped_refptr<UsbDeviceHandle> device_handle =
       GetDeviceHandle(parameters->handle);
   if (!device_handle.get()) {
     return RespondNow(Error(kErrorNoConnection));
   }
 
   const UsbConfigDescriptor* config_descriptor =
-      device_handle->GetDevice()->GetConfiguration();
+      device_handle->GetDevice()->GetActiveConfiguration();
   if (config_descriptor) {
     ConfigDescriptor config;
     ConvertConfigDescriptor(*config_descriptor, &config);
 
     scoped_ptr<base::ListValue> result(new base::ListValue);
     for (size_t i = 0; i < config.interfaces.size(); ++i) {
       result->Append(config.interfaces[i]->ToValue().release());
     }
 
     return RespondNow(OneArgument(result.release()));
@@ skipping 359 matching lines @@
     ReleaseDeviceHandle(parameters_->handle);
 
     scoped_ptr<base::ListValue> error_args(new base::ListValue());
     error_args->AppendBoolean(false);
     // Returning arguments with an error is wrong but we're stuck with it.
     Respond(ErrorWithArguments(error_args.Pass(), kErrorResetDevice));
   }
 }
 
 }  // namespace extensions