Change the USB extension API to use ArrayBuffers.

chrome/browser/extensions/api/api_resource_event_notifier.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_API_RESOURCE_EVENT_NOTIFIER_H_
 #define CHROME_BROWSER_EXTENSIONS_API_API_RESOURCE_EVENT_NOTIFIER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 42 matching lines @@
   virtual void OnConnectComplete(int result_code);
 
   // Takes ownership of data.
   virtual void OnDataRead(int result_code,
                           base::ListValue* data,
                           const std::string& address,
                           int port);
 
   virtual void OnWriteComplete(int result_code);
 
-  virtual void OnTransferComplete(int result_code, base::ListValue* data);
+  virtual void OnTransferComplete(int result_code, base::BinaryValue* data);
 
   static std::string APIResourceEventTypeToString(
       APIResourceEventType event_type);
 
  private:
   friend class base::RefCountedThreadSafe<APIResourceEventNotifier>;
   friend class MockAPIResourceEventNotifier;
 
   virtual ~APIResourceEventNotifier();
 
@@ skipping 11 matching lines @@
   std::string src_extension_id_;
   int src_id_;
   GURL src_url_;
 
   DISALLOW_COPY_AND_ASSIGN(APIResourceEventNotifier);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_API_RESOURCE_EVENT_NOTIFIER_H_