Change the zip-archiver-unpacker flag into enable-disable type.

This is a preparation before enabling the feature by default.

Bug: 780688
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: I4a1bf78085f24289a9e2c8955815ebc6752d95ff
Reviewed-on: https://chromium-review.googlesource.com/758279
Reviewed-by: Naoki Fukino <[email protected]>
Reviewed-by: Devlin <[email protected]>
Commit-Queue: Tatsuhisa Yamaguchi <[email protected]>
Cr-Commit-Position: refs/heads/master@{#515448}
diff --git a/chrome/browser/flag_descriptions.h b/chrome/browser/flag_descriptions.h
index 37b9877..b7f6fd2 100644
--- a/chrome/browser/flag_descriptions.h
+++ b/chrome/browser/flag_descriptions.h
@@ -1534,8 +1534,8 @@
 extern const char kEnableZipArchiverPackerName[];
 extern const char kEnableZipArchiverPackerDescription[];
 
-extern const char kEnableZipArchiverUnpackerName[];
-extern const char kEnableZipArchiverUnpackerDescription[];
+extern const char kZipArchiverUnpackerName[];
+extern const char kZipArchiverUnpackerDescription[];
 
 extern const char kEolNotificationName[];
 extern const char kEolNotificationDescription[];