Disallow packing or loading unpacked manifest v1 extensions.

chrome/browser/extensions/unpacked_installer.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_UNPACKED_INSTALLER_H_
 #define CHROME_BROWSER_EXTENSIONS_UNPACKED_INSTALLER_H_
 
 #include <string>
 
 #include "base/file_path.h"
@@ skipping 23 matching lines @@
 
   // Loads the extension from the directory |extension_path|;
   // for use with command line switch --load-extension=path.
   // This is equivalent to Load, except that it runs synchronously.
   void LoadFromCommandLine(const FilePath& extension_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; }
 
+  // Allows overriding of whether modern manifest versions are required;
+  // intended for testing.
+  bool require_modern_manifest_version() const {
+    return require_modern_manifest_version_;
+  }
+  void set_require_modern_manifest_version(bool val) {
+    require_modern_manifest_version_ = val;
+  }
+
  private:
   friend class base::RefCountedThreadSafe<UnpackedInstaller>;
 
   explicit UnpackedInstaller(ExtensionService* extension_service);
   virtual ~UnpackedInstaller();
 
   // Verifies if loading unpacked extensions is allowed.
   bool IsLoadingUnpackedAllowed() const;
 
   // We change the input extension path to an absolute path, on the file thread.
   // Then we need to check the file access preference, which needs
   // to happen back on the UI thread, so it posts CheckExtensionFileAccess on
   // the UI thread. In turn, once that gets the pref, it goes back to the
   // file thread with LoadWithFileAccess.
   // TODO(yoz): It would be nice to remove this ping-pong, but we need to know
   // what file access flags to pass to extension_file_util::LoadExtension.
   void GetAbsolutePath();
   void CheckExtensionFileAccess();
-  void LoadWithFileAccess(bool allow_file_access);
+  void LoadWithFileAccess(int flags);
 
   // Notify the frontend that there was an error loading an extension.
   void ReportExtensionLoadError(const std::string& error);
 
   // Called when an unpacked extension has been loaded and installed.
   void OnLoaded(const scoped_refptr<const Extension>& extension);
 
+  // Helper to get the Extension::CreateFlags for the installing extension.
+  int GetFlags();
+
   base::WeakPtr<ExtensionService> service_weak_;
 
   // The pathname of the directory to load from, which is an absolute path
   // after GetAbsolutePath has been called.
   FilePath extension_path_;
 
   // If true and the extension contains plugins, we prompt the user before
   // loading.
   bool prompt_for_plugins_;
 
+  // Whether to require the extension installed to have a modern manifest
+  // version.
+  bool require_modern_manifest_version_;
+
   DISALLOW_COPY_AND_ASSIGN(UnpackedInstaller);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_UNPACKED_INSTALLER_H_