Part 2 of repairing regressions to my old clang check plugins so Nico can

chrome/browser/extensions/extension_updater.cc

Index: chrome/browser/extensions/extension_updater.cc
diff --git a/chrome/browser/extensions/extension_updater.cc b/chrome/browser/extensions/extension_updater.cc
index 01b0e07a87cbcf5be6cdf733f1c156296b7c421c..835d672a28423e77a0737fcedf513e8189bbc442 100644
--- a/chrome/browser/extensions/extension_updater.cc
+++ b/chrome/browser/extensions/extension_updater.cc
@@ -357,6 +357,20 @@ class ExtensionUpdaterFileHandler
   ~ExtensionUpdaterFileHandler() {}
 };
 
+ExtensionUpdater::ExtensionFetch::ExtensionFetch()
+    : id(""),
+      url(),
+      package_hash(""),
+      version("") {}
+
+ExtensionUpdater::ExtensionFetch::ExtensionFetch(const std::string& i,
+                                                 const GURL& u,
+                                                 const std::string& h,
+                                                 const std::string& v)
+    : id(i), url(u), package_hash(h), version(v) {}
+
+ExtensionUpdater::ExtensionFetch::~ExtensionFetch() {}
+
 ExtensionUpdater::ExtensionUpdater(ExtensionUpdateService* service,
                                    PrefService* prefs,
                                    int frequency_seconds)