[Reland] Refactoring of SBER preference usage

chrome/common/pref_names.cc

 // Copyright (c) 2012 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/common/pref_names.h"
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/common/features.h"
 #include "chrome/common/pref_font_webkit_names.h"
@@ skipping 339 matching lines @@
 const char kWebKitPluginsEnabled[] = "webkit.webprefs.plugins_enabled";
 
 // Boolean that is true when Data Saver is enabled.
 // TODO(bengr): Migrate the preference string to "data_saver.enabled"
 // (crbug.com/564207).
 const char kDataSaverEnabled[] = "spdy_proxy.enabled";
 
 // Boolean that is true when SafeBrowsing is enabled.
 const char kSafeBrowsingEnabled[] = "safebrowsing.enabled";
 
-// Boolean that tell us whether Safe Browsing extended reporting is enabled.
-const char kSafeBrowsingExtendedReportingEnabled[] =
-    "safebrowsing.extended_reporting_enabled";
-
 // Boolean that is true when the SafeBrowsing interstitial should not allow
 // users to proceed anyway.
 const char kSafeBrowsingProceedAnywayDisabled[] =
     "safebrowsing.proceed_anyway_disabled";
 
 // A dictionary mapping incident types to a dict of incident key:digest pairs.
 const char kSafeBrowsingIncidentsSent[] = "safebrowsing.incidents_sent";
 
 // Boolean that tells us whether users are given the option to opt in to Safe
 // Browsing extended reporting.
@@ skipping 1900 matching lines @@
 const char kOriginTrialPublicKey[] = "origin_trials.public_key";
 
 // A list of origin trial features to disable by policy.
 const char kOriginTrialDisabledFeatures[] = "origin_trials.disabled_features";
 
 // Policy that indicates the state of updates for the binary components.
 const char kComponentUpdatesEnabled[] =
     "component_updates.component_updates_enabled";
 
 }  // namespace prefs