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

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

Index: third_party/WebKit/Source/modules/bluetooth/Bluetooth.cpp
diff --git a/third_party/WebKit/Source/modules/bluetooth/Bluetooth.cpp b/third_party/WebKit/Source/modules/bluetooth/Bluetooth.cpp
index a1011220fa44d60f3aedac171df5b13878dce35c..eeae382d34687206d3c63e6e7523c9f5bcbce000 100644
--- a/third_party/WebKit/Source/modules/bluetooth/Bluetooth.cpp
+++ b/third_party/WebKit/Source/modules/bluetooth/Bluetooth.cpp
@@ -4,6 +4,8 @@
 
 #include "modules/bluetooth/Bluetooth.h"
 
+#include <memory>
+#include <utility>
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
@@ -14,14 +16,13 @@
 #include "core/frame/LocalFrame.h"
 #include "modules/bluetooth/BluetoothDevice.h"
 #include "modules/bluetooth/BluetoothError.h"
+#include "modules/bluetooth/BluetoothMetrics.h"
 #include "modules/bluetooth/BluetoothRemoteGATTCharacteristic.h"
 #include "modules/bluetooth/BluetoothUUID.h"
 #include "modules/bluetooth/RequestDeviceOptions.h"
 #include "platform/UserGestureIndicator.h"
 #include "public/platform/InterfaceProvider.h"
 #include "public/platform/Platform.h"
-#include <memory>
-#include <utility>
 
 namespace blink {
 
@@ -158,6 +159,8 @@ void Bluetooth::RequestDeviceCallback(
 ScriptPromise Bluetooth::requestDevice(ScriptState* scriptState,
                                        const RequestDeviceOptions& options,
                                        ExceptionState& exceptionState) {
+  RecordWebBluetoothFunctionCall(UMAWebBluetoothFunction::REQUEST_DEVICE);
+
   ExecutionContext* context = scriptState->getExecutionContext();
 
   // If the incumbent settings object is not a secure context, reject promise