Show alert failure for reloading unpacked extensions with bad manifest

chrome/browser/extensions/extension_error_reporter_observer.h

+// Copyright 2014 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_EXTENSIONS_ERROR_REPORTER_OBSERVER_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSIONS_ERROR_REPORTER_OBSERVER_H_
+
+#include "extensions/common/extension.h"
+
+// namespace extensions {
+
+class Extension;
+
+class ExtensionErrorReporterObserver {
+ public:
+  virtual ~ExtensionErrorReporterObserver() {}
+
+  virtual void OnLoadFailure(const base::FilePath& extension_path,
+                             const std::string& error) {};
+};
+
+//}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSIONS_ERROR_REPORTER_OBSERVER_H_