Change the USB extension API to use ArrayBuffers.

chrome/browser/extensions/api/api_resource_event_notifier.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/api/api_resource_event_notifier.h"
 
 #include "base/bind.h"
 #include "base/json/json_writer.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_event_router.h"
@@ skipping 64 matching lines @@
   event->SetInteger(kPortKey, port);
   DispatchEvent(events::kExperimentalSocketOnEvent, event);
 }
 
 void APIResourceEventNotifier::OnWriteComplete(int result_code) {
   SendEventWithResultCode(events::kExperimentalSocketOnEvent,
                           API_RESOURCE_EVENT_WRITE_COMPLETE, result_code);
 }
 
 void APIResourceEventNotifier::OnTransferComplete(int result_code,
-                                                  base::ListValue* data) {
+                                                  base::BinaryValue* data) {
   if (src_id_ < 0) {
     delete data;
     return;
   }
 
   DictionaryValue* event = CreateAPIResourceEvent(
       API_RESOURCE_EVENT_TRANSFER_COMPLETE);
   event->SetInteger(kResultCodeKey, result_code);
   event->Set(kDataKey, data);
   DispatchEvent(events::kExperimentalUsbOnEvent, event);
@@ skipping 62 matching lines @@
     int result_code) {
   if (src_id_ < 0)
     return;
 
   DictionaryValue* event = CreateAPIResourceEvent(event_type);
   event->SetInteger(kResultCodeKey, result_code);
   DispatchEvent(extension, event);
 }
 
 }  // namespace extensions