Add BluetoothRemoteGATTDescriptor reporting for .writeValue().

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 266 matching lines @@
     case UMAGATTOperation::CHARACTERISTIC_WRITE:
       RecordCharacteristicWriteValueOutcome(outcome);
       return;
     case UMAGATTOperation::START_NOTIFICATIONS:
       RecordStartNotificationsOutcome(outcome);
       return;
     case UMAGATTOperation::DESCRIPTOR_READ:
       RecordDescriptorReadValueOutcome(outcome);
       return;
     case UMAGATTOperation::DESCRIPTOR_WRITE:
-      // TODO(683477) reporting for .writeValue()
+      RecordDescriptorWriteValueOutcome(outcome);
       return;
     case UMAGATTOperation::COUNT:
       NOTREACHED();
       return;
   }
   NOTREACHED();
 }
 
 static UMAGATTOperationOutcome TranslateCacheQueryOutcomeToGATTOperationOutcome(
     CacheQueryOutcome outcome) {
@@ skipping 66 matching lines @@
   UMA_HISTOGRAM_ENUMERATION("Bluetooth.Web.Descriptor.ReadValue.Outcome",
                             static_cast<int>(outcome),
                             static_cast<int>(UMAGATTOperationOutcome::COUNT));
 }
 
 void RecordDescriptorReadValueOutcome(CacheQueryOutcome outcome) {
   RecordDescriptorReadValueOutcome(
       TranslateCacheQueryOutcomeToGATTOperationOutcome(outcome));
 }
 
+// Descriptor.writeValue
+

[ortuno, 2017/01/31 19:11:51]

nit: remove unnecessary line.

+void RecordDescriptorWriteValueOutcome(UMAGATTOperationOutcome outcome) {
+  UMA_HISTOGRAM_ENUMERATION("Bluetooth.Web.Descriptor.WriteValue.Outcome",
+                            static_cast<int>(outcome),
+                            static_cast<int>(UMAGATTOperationOutcome::COUNT));
+}
+
+void RecordDescriptorWriteValueOutcome(CacheQueryOutcome outcome) {
+  RecordDescriptorWriteValueOutcome(
+      TranslateCacheQueryOutcomeToGATTOperationOutcome(outcome));
+}
+
 void RecordRSSISignalStrengthLevel(UMARSSISignalStrengthLevel level) {
   UMA_HISTOGRAM_ENUMERATION(
       "Bluetooth.Web.RequestDevice.RSSISignalStrengthLevel",
       static_cast<int>(level),
       static_cast<int>(UMARSSISignalStrengthLevel::COUNT));
 }
 
 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