Change access mode of disk devices when mounting based on config.

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/pref_font_webkit_names.h"
 
@@ skipping 1716 matching lines @@
 const char kDeviceActivityTimes[] = "device_status.activity_times";
 
 // A pref holding the last known location when device location reporting is
 // enabled.
 const char kDeviceLocation[] = "device_status.location";
 
 // A pref holding the value of the policy used to disable mounting of external
 // storage for the user.
 const char kExternalStorageDisabled[] = "hardware.external_storage_disabled";
 
+// A pref holding the value of the policy used to limit mounting of external
+// storage to read-only mode for the user.
+const char kExternalStorageReadOnly[] = "hardware.external_storage_read_only";
+
 // Copy of owner swap mouse buttons option to use on login screen.
 const char kOwnerPrimaryMouseButtonRight[] = "owner.mouse.primary_right";
 
 // Copy of owner tap-to-click option to use on login screen.
 const char kOwnerTapToClickEnabled[] = "owner.touchpad.enable_tap_to_click";
 
 // The length of device uptime after which an automatic reboot is scheduled,
 // expressed in seconds.
 const char kUptimeLimit[] = "automatic_reboot.uptime_limit";
 
@@ skipping 492 matching lines @@
 #endif
 
 // The base64-encoded representation of the public key to use to validate origin
 // trial token signatures.
 const char kOriginTrialPublicKey[] = "origin_trials.public_key";
 
 // A list of origin trial features to disable by policy.
 const char kOriginTrialDisabledFeatures[] = "origin_trials.disabled_features";
 
 }  // namespace prefs