bluetooth: Initial WebBluetooth & WebBluetoothError.

public/platform/WebBluetooth.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 WebBluetooth_h
+#define WebBluetooth_h
+
+#include "public/platform/WebCallbacks.h"
+
+namespace blink {
+
+struct WebBluetoothError;
+
+// FIXME: Return a WebBluetoothDevice http://crbug.com/420284
+typedef WebCallbacks<void, WebBluetoothError> WebBluetoothRequestDeviceCallbacks;
+
+class WebBluetooth {
+public:
+    virtual ~WebBluetooth() { }
+
+    // Requests a bluetooth device.
+    // WebBluetoothRequestDeviceCallbacks ownership transferred to the client.
+    virtual void requestDevice(WebBluetoothRequestDeviceCallbacks*) = 0;
+};
+
+} // namespace blink
+
+#endif // WebBluetooth_h