Added explicit default values to AttestationSettingsProto.

chrome/browser/policy/proto/chromeos/chrome_device_policy.proto

 // 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.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
 
 package enterprise_management;
 
@@ skipping 344 matching lines @@
   optional string parameter = 1;
 }
 
 message AttestationSettingsProto {
   // Attestation involves proving that a cryptographic key is protected by a
   // legitimate Chrome OS TPM and reporting the operating mode of the platform.
   // This setting enables enterprise attestation features at a device level.  If
   // this is enabled a machine key will be generated and certified by the Chrome
   // OS CA.  If this setting is disabled, even users with attestation settings
   // enabled will not be able to use those features on the device.
-  optional bool attestation_enabled = 1;
+  optional bool attestation_enabled = 1 [default = false];
 
   // Chrome OS devices can use remote attestation (Verified Access) to get a
   // certificate issued by the Chrome OS CA that asserts the device is eligible
   // to play protected content.  This process involves sending hardware
   // endorsement information to the Chrome OS CA which uniquely identifies the
   // device.  This setting allows this feature to be disabled for the device
   // regardless of any user-specific settings.
-  optional bool content_protection_enabled = 2;
+  optional bool content_protection_enabled = 2 [default = true];
 }
 
 message AccessibilitySettingsProto {
   // Sets the default state of the large cursor accessibility feature on the
   // login screen. If this policy is set to true, the large cursor will be
   // enabled when the login screen is shown. If this policy is set to false, the
   // large cursor will be disabled when the login screen is shown. Users can
   // temporarily override this setting by enabling or disabling the large
   // cursor. However, the user's choice is not persistent and the default is
   // restored whenever the login screen is shown anew or the user remains idle
@@ skipping 175 matching lines @@
   optional AllowRedeemChromeOsRegistrationOffersProto allow_redeem_offers = 22;
   optional StartUpFlagsProto start_up_flags = 23;
   optional UptimeLimitProto uptime_limit = 24;
   optional VariationsParameterProto variations_parameter = 25;
   optional AttestationSettingsProto attestation_settings = 26;
   optional AccessibilitySettingsProto accessibility_settings = 27;
   optional SupervisedUsersSettingsProto supervised_users_settings = 28;
   optional LoginScreenPowerManagementProto login_screen_power_management = 29;
   optional SystemUse24HourClockProto use_24hour_clock = 30;
 }