Add chrome.usbPrivate API for use by USB device WEBUI.

components/usb_service/usb_device_handle.h

 // 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.
 
 #ifndef COMPONENTS_USB_SERVICE_USB_DEVICE_HANDLE_H_
 #define COMPONENTS_USB_SERVICE_USB_DEVICE_HANDLE_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 40 matching lines @@
   // The platform device handle will be closed when UsbDeviceHandle destructs.
   virtual void Close() = 0;
 
   // Device manipulation operations. These methods are blocking and must be
   // called on FILE thread.
   virtual bool ClaimInterface(const int interface_number) = 0;
   virtual bool ReleaseInterface(const int interface_number) = 0;
   virtual bool SetInterfaceAlternateSetting(const int interface_number,
                                             const int alternate_setting) = 0;
   virtual bool ResetDevice() = 0;
+  virtual bool GetManufacturer(base::string16* manufacturer) = 0;
+  virtual bool GetProduct(base::string16* product) = 0;
   virtual bool GetSerial(base::string16* serial) = 0;
 
   // Async IO. Can be called on any thread.
   virtual void ControlTransfer(const UsbEndpointDirection direction,
                                const TransferRequestType request_type,
                                const TransferRecipient recipient,
                                const uint8 request,
                                const uint16 value,
                                const uint16 index,
                                net::IOBuffer* buffer,
@@ skipping 30 matching lines @@
   UsbDeviceHandle() {};
 
   virtual ~UsbDeviceHandle() {};
 
   DISALLOW_COPY_AND_ASSIGN(UsbDeviceHandle);
 };
 
 }  // namespace usb_service
 
 #endif  // COMPONENTS_USB_SERVICE_USB_DEVICE_HANDLE_H_