Allow drag-and-drop of zipped extensions on chrome://extensions

chrome/browser/extensions/sandboxed_unpacker.h

Index: chrome/browser/extensions/sandboxed_unpacker.h
diff --git a/chrome/browser/extensions/sandboxed_unpacker.h b/chrome/browser/extensions/sandboxed_unpacker.h
index 71384fcc239691efa0ab0046389a02fc222cd48a..17621722f6941b203d424282a38f8517cb1bbaf3 100644
--- a/chrome/browser/extensions/sandboxed_unpacker.h
+++ b/chrome/browser/extensions/sandboxed_unpacker.h
@@ -219,6 +219,9 @@ class SandboxedUnpacker : public content::UtilityProcessHostClient {
   // Whether we've received a response from the utility process yet.
   bool got_response_;
 
+  // Whether we're unpacking a zip file instead of a signed CRX.
+  bool is_zipfile_;
+
   // The public key that was extracted from the CRX header.
   std::string public_key_;