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

chrome/browser/resources/extensions/extensions.js

Index: chrome/browser/resources/extensions/extensions.js
diff --git a/chrome/browser/resources/extensions/extensions.js b/chrome/browser/resources/extensions/extensions.js
index 0c1e66d9c785a31faa1c6e6ca3625cafc1998ccc..226b45511eaf8afa3c97f5b8cb55f3158cec130e 100644
--- a/chrome/browser/resources/extensions/extensions.js
+++ b/chrome/browser/resources/extensions/extensions.js
@@ -66,8 +66,10 @@ cr.define('extensions', function() {
       }
       // Only process files that look like extensions. Other files should
       // navigate the browser normally.
-      if (!toSend && /\.(crx|user\.js)$/i.test(e.dataTransfer.files[0].name))
+      if (!toSend &&
+          /\.(crx|user\.js|zip)$/i.test(e.dataTransfer.files[0].name)) {
         toSend = 'installDroppedFile';
+      }
 
       if (toSend) {
         e.preventDefault();