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

chrome/browser/extensions/unpacked_installer.h

Index: chrome/browser/extensions/unpacked_installer.h
diff --git a/chrome/browser/extensions/unpacked_installer.h b/chrome/browser/extensions/unpacked_installer.h
index 853cc3979df9b7164909f0597f2bd95442db1e33..bd74619e52de7ac0e06c4b44ee5a5b7af7c0717a 100644
--- a/chrome/browser/extensions/unpacked_installer.h
+++ b/chrome/browser/extensions/unpacked_installer.h
@@ -51,6 +51,9 @@ class UnpackedInstaller
   bool LoadFromCommandLine(const base::FilePath& extension_path,
                            std::string* extension_id);
 
+  void LoadFromZipFile(const base::FilePath& zip_path);
+  void UnpackZipFileAndLoad(const base::FilePath& zip_path);
+
   // Allows prompting for plugins to be disabled; intended for testing only.
   bool prompt_for_plugins() { return prompt_for_plugins_; }
   void set_prompt_for_plugins(bool val) { prompt_for_plugins_ = val; }