Add a path for content/ to open and control a Bluetooth chooser dialog.

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 25 matching lines @@
 
 // There should be a call to this function for every call to the Web Bluetooth
 // API.
 void RecordWebBluetoothFunctionCall(UMAWebBluetoothFunction function);
 
 // requestDevice() Metrics
 enum class UMARequestDeviceOutcome {
   SUCCESS = 0,
   NO_BLUETOOTH_ADAPTER = 1,
   NO_RENDER_FRAME = 2,
-  DISCOVERY_START_FAILED = 3,
-  DISCOVERY_STOP_FAILED = 4,
-  NO_MATCHING_DEVICES_FOUND = 5,
+  OBSOLETE_DISCOVERY_START_FAILED = 3,
+  OBSOLETE_DISCOVERY_STOP_FAILED = 4,
+  OBSOLETE_NO_MATCHING_DEVICES_FOUND = 5,
   BLUETOOTH_ADAPTER_NOT_PRESENT = 6,
-  BLUETOOTH_ADAPTER_OFF = 7,
+  OBSOLETE_BLUETOOTH_ADAPTER_OFF = 7,
+  CHOSEN_DEVICE_VANISHED = 8,
+  BLUETOOTH_CHOOSER_CANCELLED = 9,
   // NOTE: Add new requestDevice() 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_RequestDeviceSuccess...) or
 // Send(BluetoothMsg_RequestDeviceError...).
 void RecordRequestDeviceOutcome(UMARequestDeviceOutcome outcome);
 
@@ skipping 114 matching lines @@
 
 // Characteristic.writeValue() Metrics
 // There should be a call to this function for every call to
 // Send(BluetoothMsg_WriteCharacteristicValueSuccess) and
 // Send(BluetoothMsg_WriteCharacteristicValueError).
 void RecordCharacteristicWriteValueOutcome(UMAGATTOperationOutcome error);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_METRICS_H_