Replace all enums with enum classes in permissions code.

chrome/browser/permissions/permission_uma_util.h

 // 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.
 
 #ifndef CHROME_BROWSER_PERMISSIONS_PERMISSION_UMA_UTIL_H_
 #define CHROME_BROWSER_PERMISSIONS_PERMISSION_UMA_UTIL_H_
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/time/time.h"
 #include "chrome/browser/permissions/permission_request.h"
 #include "chrome/browser/permissions/permission_util.h"
 
 enum class PermissionRequestGestureType;
 class GURL;
 class PermissionRequest;
 class Profile;
 
 // This should stay in sync with the SourceUI enum in the permission report
 // protobuf (src/chrome/common/safe_browsing/permission_report.proto).
 enum class PermissionSourceUI {
   PROMPT = 0,
   OIB = 1,
   SITE_SETTINGS = 2,
   PAGE_ACTION = 3,
 
   // Always keep this at the end.
-  SOURCE_UI_NUM,
+  NUM,
 };
 
 // This should stay in sync with the PersistDecision enum in the permission
 // report message (src/chrome/common/safe_browsing/permission_report.proto).
 enum class PermissionPersistDecision {
   UNSPECIFIED = 0,
   PERSISTED = 1,
   NOT_PERSISTED = 2,
 };
 
-// Any new values should be inserted immediately prior to RESPONSE_NUM.
-enum SafeBrowsingResponse {
+// Any new values should be inserted immediately prior to NUM.
+enum class SafeBrowsingResponse {
   NOT_BLACKLISTED = 0,
   TIMEOUT = 1,
   BLACKLISTED = 2,
 
   // Always keep this at the end.
-  RESPONSE_NUM,
+  NUM,
 };
 
-// Any new values should be inserted immediately prior to STATUS_NUM.
-enum PermissionEmbargoStatus {
+// Any new values should be inserted immediately prior to NUM.
+enum class PermissionEmbargoStatus {
   NOT_EMBARGOED = 0,
   PERMISSIONS_BLACKLISTING = 1,
   REPEATED_DISMISSALS = 2,
 
   // Keep this at the end.
-  STATUS_NUM,
+  NUM,
 };
 
 // A bundle for the information sent in a PermissionReport.
 struct PermissionReportInfo {
   PermissionReportInfo(
       const GURL& origin,
       ContentSettingsType permission,
       PermissionAction action,
       PermissionSourceUI source_ui,
       PermissionRequestGestureType gesture_type,
@@ skipping 140 matching lines @@
   // for a single origin using |prefix| for the metric.
   static void RecordPermissionPromptPriorCount(
       ContentSettingsType permission,
       const std::string& prefix,
       int count);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(PermissionUmaUtil);
 };
 
 #endif  // CHROME_BROWSER_PERMISSIONS_PERMISSION_UMA_UTIL_H_