bluetooth: Test Web Bluetooth getCharacteristic calls against blacklist.

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 132 matching lines @@
 // Records the outcome of the cache query for getPrimaryService. Should only be
 // called if QueryCacheForDevice fails.
 void RecordGetPrimaryServiceOutcome(CacheQueryOutcome outcome);
 
 // getCharacteristic() Metrics
 enum class UMAGetCharacteristicOutcome {
   SUCCESS = 0,
   NO_DEVICE = 1,
   NO_SERVICE = 2,
   NOT_FOUND = 3,
+  BLACKLISTED = 4,
   // Note: Add new outcomes immediately above this line.
   // Make sure to update the enum list in
   // tools/metrisc/histogram/histograms.xml accordingly.
   COUNT
 };
 // There should be a call to this function for every call to
 // Send(BluetoothMsg_GetCharacteristicSuccess) and
 // Send(BluetoothMsg_GetCharacteristicError).
 void RecordGetCharacteristicOutcome(UMAGetCharacteristicOutcome outcome);
 // Records the outcome of the cache query for getCharacteristic. Should only be
@@ skipping 63 matching lines @@
 // Send(BluetoothMsg_StartNotificationsSuccess) and
 // Send(BluetoothMsg_StopNotificationsError).
 void RecordStartNotificationsOutcome(UMAGATTOperationOutcome outcome);
 // Records the outcome of a cache query for startNotifications. Should only be
 // called if QueryCacheForCharacteristic fails.
 void RecordStartNotificationsOutcome(CacheQueryOutcome outcome);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_METRICS_H_