Appropriate handling for Cellular First devices.

chromeos/chromeos_switches.h

Index: chromeos/chromeos_switches.h
diff --git a/chromeos/chromeos_switches.h b/chromeos/chromeos_switches.h
index f320d623341868446fc9911b8d9feb9cfbd2d2ac..7a1c8c9318b63c4f7a95689aa694430a64befef9 100644
--- a/chromeos/chromeos_switches.h
+++ b/chromeos/chromeos_switches.h
@@ -24,7 +24,6 @@ namespace switches {
 CHROMEOS_EXPORT extern const char kAggressiveCacheDiscardThreshold[];
 CHROMEOS_EXPORT extern const char kAggressiveTabDiscardThreshold[];
 CHROMEOS_EXPORT extern const char kAggressiveThreshold[];
-CHROMEOS_EXPORT extern const char kAllowDataRoamingByDefault[];
 CHROMEOS_EXPORT extern const char kAllowFailedPolicyFetchForTest[];
 CHROMEOS_EXPORT extern const char kAllowRAInDevMode[];
 CHROMEOS_EXPORT extern const char kAppAutoLaunched[];
@@ -33,6 +32,7 @@ CHROMEOS_EXPORT extern const char kArcAvailability[];
 CHROMEOS_EXPORT extern const char kArcAvailable[];
 CHROMEOS_EXPORT extern const char kArtifactsDir[];
 CHROMEOS_EXPORT extern const char kAshWebUIInit[];
+CHROMEOS_EXPORT extern const char kCellularFirst[];
 CHROMEOS_EXPORT extern const char kChildWallpaperLarge[];
 CHROMEOS_EXPORT extern const char kChildWallpaperSmall[];
 CHROMEOS_EXPORT extern const char kConservativeThreshold[];
@@ -147,6 +147,9 @@ GetMemoryPressureThresholds();
 // converted to GAIA IDs.
 CHROMEOS_EXPORT bool IsGaiaIdMigrationStarted();
 
+// Returns true if this is a Cellular First device.
+CHROMEOS_EXPORT bool IsCellularFirstDevice();
+
 }  // namespace switches
 }  // namespace chromeos