bluetooth: Initial WebBluetooth & WebBluetoothError.

public/platform/WebBluetoothError.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 WebGeofencingError_h
-#define WebGeofencingError_h
+#ifndef WebBluetoothError_h
+#define WebBluetoothError_h
 
 #include "WebString.h"
 
 namespace blink {
 
-struct WebGeofencingError {
+// Error object when a bluetooth request can not be satisfied.
+struct WebBluetoothError {
     enum ErrorType {
-        ErrorTypeAbort = 0,
-        ErrorTypeUnknown,
-        ErrorTypeLast = ErrorTypeUnknown
+        NotFoundError,
+        SecurityError
     };
 
-    WebGeofencingError(ErrorType errorType, const WebString& message)
+    WebBluetoothError(ErrorType errorType, const WebString& message)
         : errorType(errorType)
         , message(message)
     {
     }
 
     ErrorType errorType;
     WebString message;
 };
 
 } // namespace blink
 
-#endif // WebGeofencingError_h
+#endif // WebBluetoothError_h