Appropriate handling for Cellular First devices.

chromeos/chromeos_switches.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 "chromeos/chromeos_switches.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
@@ skipping 19 matching lines @@
 
 // Please keep the order of these switches synchronized with the header file
 // (i.e. in alphabetical order).
 
 const char kAggressiveCacheDiscardThreshold[] = "aggressive-cache-discard";
 
 const char kAggressiveTabDiscardThreshold[] = "aggressive-tab-discard";
 
 const char kAggressiveThreshold[] = "aggressive";
 
-// If this flag is set, enable data roaming in the cellular network by default
-// upon system start if it's an unmanaged device. This flag is used by Rialto
-// device to obtain device policy during OOBE since the Rialto device has no
-// display and and only connects over cell.
-const char kAllowDataRoamingByDefault[] = "allow-data-roaming-by-default";
-
 // If this flag is passed, failed policy fetches will not cause profile
 // initialization to fail. This is useful for tests because it means that
 // tests don't have to mock out the policy infrastructure.
 const char kAllowFailedPolicyFetchForTest[] =
     "allow-failed-policy-fetch-for-test";
 
 // Allows remote attestation (RA) in dev mode for testing purpose. Usually RA
 // is disabled in dev mode because it will always fail. However, there are cases
 // in testing where we do want to go through the permission flow even in dev
 // mode. This can be enabled by this flag.
@@ skipping 25 matching lines @@
 const char kArcAvailable[] = "arc-available";
 
 // Screenshot testing: specifies the directoru where artifacts will be stored.
 const char kArtifactsDir[] = "artifacts-dir";
 
 // When wallpaper boot animation is not disabled this switch
 // is used to override OOBE/sign in WebUI init type.
 // Possible values: parallel|postpone. Default: parallel.
 const char kAshWebUIInit[] = "ash-webui-init";
 
+// If this flag is set, it indicates that this device is a "Cellular First"
+// device. Cellular First devices use cellular telephone data networks as
+// their primary means of connecting to the internet.
+// Setting this flag has two consequences:
+// 1. Cellular data roaming will be enabled by default.
+// 2. UpdateEngine will be instructed to allow auto-updating over cellular
+//    data connections.
+const char kCellularFirst[] = "cellular-first";
+
 // Default large wallpaper to use for kids accounts (as path to trusted,
 // non-user-writable JPEG file).
 const char kChildWallpaperLarge[] = "child-wallpaper-large";
 
 // Default small wallpaper to use for kids accounts (as path to trusted,
 // non-user-writable JPEG file).
 const char kChildWallpaperSmall[] = "child-wallpaper-small";
 
 const char kConservativeThreshold[] = "conservative";
 
@@ skipping 400 matching lines @@
 
 bool IsGaiaIdMigrationStarted() {
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   if (!command_line->HasSwitch(kTestCrosGaiaIdMigration))
     return false;
 
   return command_line->GetSwitchValueASCII(kTestCrosGaiaIdMigration) ==
          kTestCrosGaiaIdMigrationStarted;
 }
 
+bool IsCellularFirstDevice() {
+  return base::CommandLine::ForCurrentProcess()->HasSwitch(kCellularFirst);
+}
+
 }  // namespace switches
 }  // namespace chromeos