bluetooth: Clean up connection errors

content/browser/bluetooth/bluetooth_metrics.h

 // Copyright 2015 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 CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_METRICS_H_
 #define CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_METRICS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 96 matching lines @@
   SUCCESS = 0,
   NO_DEVICE = 1,
   UNKNOWN = 2,
   IN_PROGRESS = 3,
   FAILED = 4,
   AUTH_FAILED = 5,
   AUTH_CANCELED = 6,
   AUTH_REJECTED = 7,
   AUTH_TIMEOUT = 8,
   UNSUPPORTED_DEVICE = 9,
-  ATTRIBUTE_LENGTH_INVALID = 10,
-  CONNECTION_CONGESTED = 11,
-  INSUFFICIENT_ENCRYPTION = 12,
-  OFFSET_INVALID = 13,
-  READ_NOT_PERMITTED = 14,
-  REQUEST_NOT_SUPPORTED = 15,
-  WRITE_NOT_PERMITTED = 16,
   // Note: Add new ConnectGATT outcomes immediately above this line. Make sure
   // to update the enum list in tools/metrics/histograms/histograms.xml
   // accordingly.
   COUNT
 };
 
 // There should be a call to this function before every
 // Send(BluetoothMsg_ConnectGATTSuccess) and
 // Send(BluetoothMsg_ConnectGATTError).
 void RecordConnectGATTOutcome(UMAConnectGATTOutcome outcome);
@@ skipping 223 matching lines @@
 void RecordRSSISignalStrengthLevel(UMARSSISignalStrengthLevel level);
 
 // In the case of not accepting all devices in the options that are given
 // to WebBluetooth requestDevice(), records the number of devices in the
 // chooser when a device is paired.
 void RecordNumOfDevices(bool accept_all_devices, size_t num_of_devices);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_METRICS_H_