chromeos: networkingPrivate: Set active proxy values

components/onc/onc_constants.h

Index: components/onc/onc_constants.h
diff --git a/components/onc/onc_constants.h b/components/onc/onc_constants.h
index 40a469d5d129d6058e5286562632486ed61a59f4..8576292b04e22909c02eeb12487988633a3a67c3 100644
--- a/components/onc/onc_constants.h
+++ b/components/onc/onc_constants.h
@@ -37,6 +37,10 @@ ONC_EXPORT extern const char kAugmentationSharedSetting[];
 ONC_EXPORT extern const char kAugmentationUserEditable[];
 ONC_EXPORT extern const char kAugmentationDeviceEditable[];
 
+// Special key for indicating that the Effective value is the Active value
+// and was set by an extension. Used for ProxySettings.
+ONC_EXPORT extern const char kAugmentationActiveExtension[];
+
 // Common keys/values.
 ONC_EXPORT extern const char kRecommended[];
 ONC_EXPORT extern const char kRemove[];