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

extensions/browser/api/usb/usb_apitest.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 "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/ui/browser.h"
 #include "components/usb_service/usb_service.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/test/test_utils.h"
 #include "extensions/browser/api/usb/usb_api.h"
@@ skipping 72 matching lines @@
                     const unsigned int packets,
                     const unsigned int packet_length,
                     const unsigned int timeout,
                     const UsbTransferCallback& callback));
 
   MOCK_METHOD0(ResetDevice, bool());
   MOCK_METHOD1(ClaimInterface, bool(const int interface_number));
   MOCK_METHOD1(ReleaseInterface, bool(const int interface_number));
   MOCK_METHOD2(SetInterfaceAlternateSetting,
                bool(const int interface_number, const int alternate_setting));
+  MOCK_METHOD1(GetManufacturer, bool(base::string16* manufacturer));
+  MOCK_METHOD1(GetProduct, bool(base::string16* product));
   MOCK_METHOD1(GetSerial, bool(base::string16* serial));
 
   virtual scoped_refptr<UsbDevice> GetDevice() const OVERRIDE {
     return device_;
   }
 
   void set_device(UsbDevice* device) { device_ = device; }
 
  protected:
   UsbDevice* device_;
@@ skipping 179 matching lines @@
       .WillOnce(
           InvokeUsbTransferCallback<5>(usb_service::USB_TRANSFER_TIMEOUT));
   EXPECT_CALL(*mock_device_handle_.get(), Close()).Times(AnyNumber());
   ASSERT_TRUE(RunExtensionTest("usb/transfer_failure"));
 }
 
 IN_PROC_BROWSER_TEST_F(UsbApiTest, InvalidLengthTransfer) {
   EXPECT_CALL(*mock_device_handle_.get(), Close()).Times(AnyNumber());
   ASSERT_TRUE(RunExtensionTest("usb/invalid_length_transfer"));
 }