media: Add RAPPOR for ProtectedMediaIdentifier permission

chrome/browser/permissions/permission_uma_util.cc

 // Copyright 2014 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 "chrome/browser/permissions/permission_uma_util.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 111 matching lines @@
     } else if (permission == PermissionType::MIDI ||
                permission == PermissionType::MIDI_SYSEX) {
       // TODO(dominickn): remove this deprecated metric - crbug.com/605836.
       rappor::SampleDomainAndRegistryFromGURL(
           rappor_service, "ContentSettings.PermissionRequested.Midi.Url",
           requesting_origin);
       rappor_service->RecordSample(
           "ContentSettings.PermissionRequested.Midi.Url2",
           rappor::LOW_FREQUENCY_ETLD_PLUS_ONE_RAPPOR_TYPE,
           rappor::GetDomainAndRegistrySampleFromGURL(requesting_origin));
+    } else if (permission == PermissionType::PROTECTED_MEDIA_IDENTIFIER) {
+      rappor_service->RecordSample(
+          "ContentSettings.PermissionRequested.ProtectedMedia.Url2",
+          rappor::LOW_FREQUENCY_ETLD_PLUS_ONE_RAPPOR_TYPE,
+          rappor::GetDomainAndRegistrySampleFromGURL(requesting_origin));
     }
   }
 
   bool secure_origin = content::IsOriginSecure(requesting_origin);
   UMA_HISTOGRAM_ENUMERATION(
       "ContentSettings.PermissionRequested",
       static_cast<base::HistogramBase::Sample>(permission),
       static_cast<base::HistogramBase::Sample>(PermissionType::NUM));
   if (secure_origin) {
     UMA_HISTOGRAM_ENUMERATION(
@@ skipping 553 matching lines @@
   if (!deprecated_metric.empty() && rappor_service) {
     rappor::SampleDomainAndRegistryFromGURL(rappor_service, deprecated_metric,
                                             requesting_origin);
 
     std::string rappor_metric = deprecated_metric + "2";
     rappor_service->RecordSample(
         rappor_metric, rappor::LOW_FREQUENCY_ETLD_PLUS_ONE_RAPPOR_TYPE,
         rappor::GetDomainAndRegistrySampleFromGURL(requesting_origin));
   }
 }