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 fcb819916b7e4ad2d0f8f90458468de5909f3aeb..345816706d2f94b76cb9a4db30d703568fe58a11 100644
--- a/content/browser/bluetooth/bluetooth_metrics.cc
+++ b/content/browser/bluetooth/bluetooth_metrics.cc
@@ -126,6 +126,19 @@ void RecordGetPrimaryServiceOutcome(UMAGetPrimaryServiceOutcome outcome) {
       static_cast<int>(UMAGetPrimaryServiceOutcome::COUNT));
 }
 
+// getCharacteristic
+
+void RecordGetCharacteristicOutcome(UMAGetCharacteristicOutcome outcome) {
+  UMA_HISTOGRAM_ENUMERATION(
+      "Bluetooth.Web.GetCharacteristic.Outcome", static_cast<int>(outcome),
+      static_cast<int>(UMAGetCharacteristicOutcome::COUNT));
+}
+
+void RecordGetCharacteristicCharacteristic(const std::string& characteristic) {
+  UMA_HISTOGRAM_SPARSE_SLOWLY("Bluetooth.Web.GetCharacteristic.Characteristic",
+                              HashUUID(characteristic));
+}
+
 // read/write characteristic
 
 void RecordGATTError(UMAGATTError error) {