Add flag and feature for TLS 1.3 early data.

Bug: 641225
Change-Id: Ibf6bbbe9290969d8cf3f6b6548a45b8cf31dcebd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1588334
Commit-Queue: Steven Valdez <[email protected]>
Reviewed-by: David Benjamin <[email protected]>
Cr-Commit-Position: refs/heads/master@{#655603}
diff --git a/chrome/browser/flag_descriptions.h b/chrome/browser/flag_descriptions.h
index e003f29..84c8694 100644
--- a/chrome/browser/flag_descriptions.h
+++ b/chrome/browser/flag_descriptions.h
@@ -382,6 +382,9 @@
 extern const char kEnforceTLS13DowngradeName[];
 extern const char kEnforceTLS13DowngradeDescription[];
 
+extern const char kEnableTLS13EarlyDataName[];
+extern const char kEnableTLS13EarlyDataDescription[];
+
 extern const char kEnableGenericSensorName[];
 extern const char kEnableGenericSensorDescription[];