HID backend.

This is a continuation of https://codereview.chromium.org/143883005.
[ps#1 here is (post-revert) ps#12 there.]

BUG=290428
TBR=miket@chromium.org

Review URL: https://codereview.chromium.org/150773004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248250 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 42 insertions, 0 deletions

diff --git a/device/hid/hid_service_win.h b/device/hid/hid_service_win.h
new file mode 100644
index 0000000..428420e
--- /dev/null
+++ b/device/hid/hid_service_win.h
@@ -0,0 +1,42 @@
+// Copyright (c) 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 DEVICE_HID_HID_SERVICE_WIN_H_
+#define DEVICE_HID_HID_SERVICE_WIN_H_
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/memory/ref_counted.h"
+#include "device/hid/hid_device_info.h"
+#include "device/hid/hid_service.h"
+
+namespace device {
+
+class HidConnection;
+class HidService;
+
+class HidServiceWin : public HidService {
+ public:
+  HidServiceWin();
+
+  virtual void GetDevices(std::vector<HidDeviceInfo>* devices) OVERRIDE;
+
+  virtual scoped_refptr<HidConnection> Connect(std::string device_id) OVERRIDE;
+
+ private:
+  virtual ~HidServiceWin();
+
+  bool Enumerate();
+  void PlatformAddDevice(std::string device_path);
+  void PlatformRemoveDevice(std::string device_path);
+
+  DISALLOW_COPY_AND_ASSIGN(HidServiceWin);
+};
+
+}  // namespace device
+
+#endif  // DEVICE_HID_HID_SERVICE_WIN_H_