Make sideloaded (externally installed) extensions display webstore info

chrome/browser/extensions/webstore_data_fetcher_delegate.h

Index: chrome/browser/extensions/webstore_data_fetcher_delegate.h
diff --git a/chrome/browser/extensions/webstore_data_fetcher_delegate.h b/chrome/browser/extensions/webstore_data_fetcher_delegate.h
index eacb13eac297a77a6cf9537db78be064a30728d9..7f864e9704b8284977806d46b7f289dd2ee6b083 100644
--- a/chrome/browser/extensions/webstore_data_fetcher_delegate.h
+++ b/chrome/browser/extensions/webstore_data_fetcher_delegate.h
@@ -28,6 +28,21 @@ class WebstoreDataFetcherDelegate {
   // 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() {}
 };