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

content/browser/bluetooth/bluetooth_metrics.cc

 // 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.
 
 #include "content/browser/bluetooth/bluetooth_metrics.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 34 matching lines @@
 
 // The maximum number of devices that needs to be recorded.
 const size_t kMaxNumOfDevices = 100;
 
 }  // namespace
 
 namespace content {
 
 // General
 
-void RecordWebBluetoothFunctionCall(UMAWebBluetoothFunction function) {
-  UMA_HISTOGRAM_ENUMERATION("Bluetooth.Web.FunctionCall.Count",
-                            static_cast<int>(function),
-                            static_cast<int>(UMAWebBluetoothFunction::COUNT));
-}
-
 // requestDevice()
 
 void RecordRequestDeviceOutcome(UMARequestDeviceOutcome outcome) {
   UMA_HISTOGRAM_ENUMERATION("Bluetooth.Web.RequestDevice.Outcome",
                             static_cast<int>(outcome),
                             static_cast<int>(UMARequestDeviceOutcome::COUNT));
 }
 
 static void RecordRequestDeviceFilters(
     const std::vector<blink::mojom::WebBluetoothScanFilterPtr>& filters) {
@@ skipping 381 matching lines @@
 void RecordNumOfDevices(bool accept_all_devices, size_t num_of_devices) {
   if (!accept_all_devices) {
     UMA_HISTOGRAM_SPARSE_SLOWLY(
         "Bluetooth.Web.RequestDevice."
         "NumOfDevicesInChooserWhenNotAcceptingAllDevices",
         std::min(num_of_devices, kMaxNumOfDevices));
   }
 }
 
 }  // namespace content