Move Bluetooth.Web.FunctionCall.Count UMA from browser to WebKit

third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTDescriptor.cpp

Index: third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTDescriptor.cpp
diff --git a/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTDescriptor.cpp b/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTDescriptor.cpp
index 738be8cb23979383753c7d5583b32e006b76e08c..91362dca16bf98c2746be32bdbcdd0fa43e3947c 100644
--- a/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTDescriptor.cpp
+++ b/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTDescriptor.cpp
@@ -4,13 +4,14 @@
 
 #include "modules/bluetooth/BluetoothRemoteGATTDescriptor.h"
 
+#include <memory>
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
 #include "modules/bluetooth/BluetoothError.h"
+#include "modules/bluetooth/BluetoothMetrics.h"
 #include "modules/bluetooth/BluetoothRemoteGATTService.h"
 #include "modules/bluetooth/BluetoothRemoteGATTUtils.h"
-#include <memory>
 
 namespace blink {
 
@@ -56,6 +57,9 @@ void BluetoothRemoteGATTDescriptor::ReadValueCallback(
 
 ScriptPromise BluetoothRemoteGATTDescriptor::readValue(
     ScriptState* scriptState) {
+  RecordWebBluetoothFunctionCall(
+      UMAWebBluetoothFunction::DESCRIPTOR_READ_VALUE);
+
   if (!GetGatt()->connected()) {
     return ScriptPromise::rejectWithDOMException(
         scriptState,
@@ -106,6 +110,9 @@ void BluetoothRemoteGATTDescriptor::WriteValueCallback(
 ScriptPromise BluetoothRemoteGATTDescriptor::writeValue(
     ScriptState* scriptState,
     const DOMArrayPiece& value) {
+  RecordWebBluetoothFunctionCall(
+      UMAWebBluetoothFunction::DESCRIPTOR_WRITE_VALUE);
+
   if (!GetGatt()->connected()) {
     return ScriptPromise::rejectWithDOMException(
         scriptState,