Move UsbService to its own component.

components/usb_service/usb_device.h

 // Copyright 2013 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_USB_USB_DEVICE_H_
-#define CHROME_BROWSER_USB_USB_DEVICE_H_
+#ifndef COMPONENTS_USB_SERVICE_USB_DEVICE_H_
+#define COMPONENTS_USB_SERVICE_USB_DEVICE_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread_checker.h"
-#include "chrome/browser/usb/usb_interface.h"
+#include "components/usb_service/usb_interface.h"
+#include "components/usb_service/usb_service_export.h"
 
 struct libusb_device;
+
+namespace usb_service {
+
 class UsbDeviceHandle;
 class UsbContext;
 
 typedef libusb_device* PlatformUsbDevice;
 
 // A UsbDevice object represents a detected USB device, providing basic
 // information about it. For further manipulation of the device, a
 // UsbDeviceHandle must be created from Open() method.
-class UsbDevice : public base::RefCountedThreadSafe<UsbDevice> {
+class USB_SERVICE_EXPORT UsbDevice
+    : public base::RefCountedThreadSafe<UsbDevice> {
  public:
   // Accessors to basic information.
   PlatformUsbDevice platform_device() const { return platform_device_; }
   uint16 vendor_id() const { return vendor_id_; }
   uint16 product_id() const { return product_id_; }
   uint32 unique_id() const { return unique_id_; }
 
 #if defined(OS_CHROMEOS)
   // On ChromeOS, if an interface of a claimed device is not claimed, the
   // permission broker can change the owner of the device so that the unclaimed
   // interfaces can be used. If this argument is missing, permission broker will
   // not be used and this method fails if the device is claimed.
   virtual void RequestUsbAcess(
-      int interface_id, const base::Callback<void(bool success)>& callback);
+      int interface_id,
+      const base::Callback<void(bool success)>& callback);
 #endif  // OS_CHROMEOS
 
   // Creates a UsbDeviceHandle for further manipulation.
   // Blocking method. Must be called on FILE thread.
   virtual scoped_refptr<UsbDeviceHandle> Open();
 
   // Explicitly closes a device handle. This method will be automatically called
   // by the destructor of a UsbDeviceHandle as well.
   // Closing a closed handle is a safe
   // Blocking method. Must be called on FILE thread.
@@ skipping 33 matching lines @@
 
   // Opened handles.
   typedef std::vector<scoped_refptr<UsbDeviceHandle> > HandlesVector;
   HandlesVector handles_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(UsbDevice);
 };
 
-#endif  // CHROME_BROWSER_USB_USB_DEVICE_H_
+}  // namespace usb_service
+
+#endif  // COMPONENTS_USB_SERVICE_USB_DEVICE_H_