bluetooth: Add histograms and logging for getCharacteristic

content/browser/bluetooth/bluetooth_metrics.cc

Index: content/browser/bluetooth/bluetooth_metrics.cc
diff --git a/content/browser/bluetooth/bluetooth_metrics.cc b/content/browser/bluetooth/bluetooth_metrics.cc
index af7216a81b765108afb1abcd057698f8099752f7..99b7fdb554b5ce589a9ebb4a6e688ff4cc006916 100644
--- a/content/browser/bluetooth/bluetooth_metrics.cc
+++ b/content/browser/bluetooth/bluetooth_metrics.cc
@@ -140,6 +140,23 @@ void BluetoothMetrics::RecordGetPrimaryServiceOutcome(
       static_cast<int>(UMAGetPrimaryServiceOutcome::COUNT));
 }
 
+// getCharacteristic
+
+// static
+void BluetoothMetrics::RecordGetCharacteristicOutcome(
+    UMAGetCharacteristicOutcome outcome) {
+  UMA_HISTOGRAM_ENUMERATION(
+      "Bluetooth.Web.GetCharacteristic.Outcome", static_cast<int>(outcome),
+      static_cast<int>(UMAGetCharacteristicOutcome::COUNT));
+}
+
+// static
+void BluetoothMetrics::RecordGetCharacteristicCharacteristic(
+    const std::string& characteristic) {
+  UMA_HISTOGRAM_SPARSE_SLOWLY("Bluetooth.Web.GetCharacteristic.Characteristic",
+                              HashUUID(characteristic));
+}
+
 // read/write characteristic
 
 // static