Make sideloaded (externally installed) extensions display webstore info

chrome/browser/extensions/webstore_data_fetcher_delegate.h

 // Copyright 2013 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_WEBSTORE_DATA_FETCHER_DELEGATE_H_
 #define CHROME_BROWSER_EXTENSIONS_WEBSTORE_DATA_FETCHER_DELEGATE_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 10 matching lines @@
   virtual void OnWebstoreRequestFailure() = 0;
 
   // Invoked when the web store response parsing is successful. Delegate takes
   // ownership of |webstore_data|.
   virtual void OnWebstoreResponseParseSuccess(
       scoped_ptr<base::DictionaryValue> webstore_data) = 0;
 
   // Invoked when the web store response parsing is failed.
   virtual void OnWebstoreResponseParseFailure(const std::string& error) = 0;
 
+  // Keys for indexing the returned webstore data.
+  static const char kAverageRatingKey[];
+  static const char kIconUrlKey[];
+  static const char kIdKey[];
+  static const char kInlineInstallNotSupportedKey[];
+  static const char kLocalizedDescriptionKey[];
+  static const char kLocalizedNameKey[];
+  static const char kManifestKey[];
+  static const char kRatingCountKey[];
+  static const char kRedirectUrlKey[];
+  static const char kShowUserCountKey[];
+  static const char kUsersKey[];
+  static const char kVerifiedSiteKey[];
+  static const char kVerifiedSitesKey[];
+
  protected:
   virtual ~WebstoreDataFetcherDelegate() {}
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_WEBSTORE_DATA_FETCHER_DELEGATE_H_