Add Rappor reporting for grant/deny/cancel/ignore of Mediastream permissions

chrome/browser/permissions/permission_context_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_context_uma_util.h"
 
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/permissions/permission_manager.h"
@@ skipping 14 matching lines @@
                               PERMISSION_ACTION_NUM);                       \
   } else {                                                                  \
     UMA_HISTOGRAM_ENUMERATION(permission_insecure, action,                  \
                               PERMISSION_ACTION_NUM);                       \
   }
 
 using content::PermissionType;
 
 namespace {
 
-// Enum for UMA purposes, make sure you update histograms.xml if you add new
-// permission actions. Never delete or reorder an entry; only add new entries
-// immediately before PERMISSION_NUM
-enum PermissionAction {
-  GRANTED = 0,
-  DENIED = 1,
-  DISMISSED = 2,
-  IGNORED = 3,
-  REVOKED = 4,
-  REENABLED = 5,
-  REQUESTED = 6,
-
-  // Always keep this at the end.
-  PERMISSION_ACTION_NUM,
-};
-
 // The returned strings must match the RAPPOR metrics in rappor.xml,
 // e.g. Permissions.Action.Geolocation etc..
 const std::string GetPermissionString(ContentSettingsType permission) {
   switch (permission) {
     case CONTENT_SETTINGS_TYPE_GEOLOCATION:
       return "Geolocation";
     case CONTENT_SETTINGS_TYPE_NOTIFICATIONS:
       return "Notifications";
     case CONTENT_SETTINGS_TYPE_MIDI_SYSEX:
       return "MidiSysEx";
@@ skipping 260 matching lines @@
 
 void PermissionContextUmaUtil::PermissionDismissed(
     ContentSettingsType permission, const GURL& requesting_origin) {
   RecordPermissionAction(permission, DISMISSED, requesting_origin);
 }
 
 void PermissionContextUmaUtil::PermissionIgnored(
     ContentSettingsType permission, const GURL& requesting_origin) {
   RecordPermissionAction(permission, IGNORED, requesting_origin);
 }