chromeos: Add pref for automated brightness increases.

chrome/common/pref_names.h

 // 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.
 
 // Constants for the names of various preferences, for easier changing.
 
 #ifndef CHROME_COMMON_PREF_NAMES_H_
 #define CHROME_COMMON_PREF_NAMES_H_
 
 #include <stddef.h>
@@ skipping 234 matching lines @@
 extern const char kPowerLockScreenOffDelayMs[];
 extern const char kPowerAcIdleAction[];
 extern const char kPowerBatteryIdleAction[];
 extern const char kPowerLidClosedAction[];
 extern const char kPowerUseAudioActivity[];
 extern const char kPowerUseVideoActivity[];
 extern const char kPowerAllowScreenWakeLocks[];
 extern const char kPowerPresentationScreenDimDelayFactor[];
 extern const char kPowerUserActivityScreenDimDelayFactor[];
 extern const char kPowerWaitForInitialUserActivity[];
+extern const char kPowerForceNonzeroBrightnessForUserActivity[];
 extern const char kTermsOfServiceURL[];
 extern const char kUsedPolicyCertificatesOnce[];
 extern const char kAttestationEnabled[];
 extern const char kAttestationExtensionWhitelist[];
 extern const char kTouchHudProjectionEnabled[];
 extern const char kOpenNetworkConfiguration[];
 extern const char kRAConsentFirstTime[];
 extern const char kMultiProfileNeverShowIntro[];
 extern const char kMultiProfileWarningShowDismissed[];
 extern const char kMultiProfileUserBehavior[];
@@ skipping 544 matching lines @@
 
 extern const char kPasswordBubbleTimeStamp[];
 extern const char kPasswordBubbleNopesCount[];
 extern const char kPasswordBubbleLastInteractions[];
 
 extern const char kRecoveryComponentNeedsElevation[];
 
 }  // namespace prefs
 
 #endif  // CHROME_COMMON_PREF_NAMES_H_