Implement permission embargo suppression metrics.

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 351 matching lines @@
       permission == CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC ||
       permission == CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA) {
     // An unknown gesture type is passed in since gesture type is only
     // applicable in prompt UIs where revocations are not possible.
     RecordPermissionAction(permission, REVOKED, source_ui,
                            PermissionRequestGestureType::UNKNOWN,
                            revoked_origin, profile);
   }
 }
 
-void PermissionUmaUtil::RecordPermissionEmbargoStatus(
+void PermissionUmaUtil::RecordEmbargoPromptSuppression(
+    PermissionEmbargoStatus embargo_status) {
+  UMA_HISTOGRAM_ENUMERATION("Permissions.AutoBlocker.EmbargoPromptSuppression",
+                            embargo_status,
+                            PermissionEmbargoStatus::STATUS_NUM);
+}
+
+void PermissionUmaUtil::RecordEmbargoPromptSuppressionFromSource(
+    PermissionStatusSource source) {
+  // Explicitly switch to ensure that any new PermissionStatusSource values are
+  // dealt with appropriately.
+  switch (source) {
+    case PermissionStatusSource::MULTIPLE_DISMISSALS:
+      PermissionUmaUtil::RecordEmbargoPromptSuppression(
+          PermissionEmbargoStatus::REPEATED_DISMISSALS);
+      break;
+    case PermissionStatusSource::SAFE_BROWSING_BLACKLIST:
+      PermissionUmaUtil::RecordEmbargoPromptSuppression(
+          PermissionEmbargoStatus::PERMISSIONS_BLACKLISTING);
+      break;
+    case PermissionStatusSource::UNSPECIFIED:
+    case PermissionStatusSource::KILL_SWITCH:
+      // The permission wasn't under embargo, so don't record anything. We may
+      // embargo it later.
+      break;
+  }
+}
+
+void PermissionUmaUtil::RecordEmbargoStatus(
     PermissionEmbargoStatus embargo_status) {
   UMA_HISTOGRAM_ENUMERATION("Permissions.AutoBlocker.EmbargoStatus",
                             embargo_status,
                             PermissionEmbargoStatus::STATUS_NUM);
 }
 
 void PermissionUmaUtil::RecordSafeBrowsingResponse(
     base::TimeDelta response_time,
     SafeBrowsingResponse response) {
   UMA_HISTOGRAM_TIMES("Permissions.AutoBlocker.SafeBrowsingResponseTime",
@@ skipping 353 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->RecordSampleString(
         rappor_metric, rappor::LOW_FREQUENCY_ETLD_PLUS_ONE_RAPPOR_TYPE,
         rappor::GetDomainAndRegistrySampleFromGURL(requesting_origin));
   }
 }