Added policy to disable/enable a system log upload.

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

 // Copyright 2013 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 607 matching lines @@
 message LoginScreenDomainAutoCompleteProto {
   // If this policy is not configured or set to a blank string,
   // no autocomplete option during user sign-in flow will be shown.
   // If this policy is set to a string representing a domain name, an
   // autocomplete option during user sign-in will be shown allowing the user
   // to type in only his user name without the domain name extension. The user
   // will be able to overwrite this domain name extension.
   optional string login_screen_domain_auto_complete = 1;
 }
 
+// Settings that control whether a device would send system logs to the server.
+message DeviceLogUploadSettingsProto {
+  // Whether the device should send system logs. The default is false.
+  optional bool log_upload_enabled = 1 [default = false];
+}
+
 message ChromeDeviceSettingsProto {
   optional DevicePolicyRefreshRateProto device_policy_refresh_rate = 1;
   optional UserWhitelistProto user_whitelist = 2;
   optional GuestModeEnabledProto guest_mode_enabled = 3;
   optional OBSOLETE_DeviceProxySettingsProto device_proxy_settings = 4
       [deprecated = true];
   optional CameraEnabledProto camera_enabled = 5;
   optional ShowUserNamesOnSigninProto show_user_names = 6;
   optional DataRoamingEnabledProto data_roaming_enabled = 7;
   optional AllowNewUsersProto allow_new_users = 8;
@@ skipping 22 matching lines @@
   optional LoginScreenPowerManagementProto login_screen_power_management = 29;
   optional SystemUse24HourClockProto use_24hour_clock = 30;
   optional AutoCleanupSettigsProto auto_clean_up_settings = 31;
   optional SystemSettingsProto system_settings = 32;
   optional SAMLSettingsProto saml_settings = 33;
   optional RebootOnShutdownProto reboot_on_shutdown = 34;
   optional DeviceHeartbeatSettingsProto device_heartbeat_settings = 35;
   optional ExtensionCacheSizeProto extension_cache_size = 36;
   optional LoginScreenDomainAutoCompleteProto
       login_screen_domain_auto_complete = 37;
+  optional DeviceLogUploadSettingsProto device_log_upload_settings = 38;
 }