Windows: When an app is updated and its name changes, recreate shortcuts.

chrome/common/extensions/extension.h

Index: chrome/common/extensions/extension.h
diff --git a/chrome/common/extensions/extension.h b/chrome/common/extensions/extension.h
index 11dc237ff6ac11a0a3ecb504e53160b8c0f75f57..01a5cce271d7633f8b60334fae6c22b4efd6603c 100644
--- a/chrome/common/extensions/extension.h
+++ b/chrome/common/extensions/extension.h
@@ -553,7 +553,12 @@ struct InstalledExtensionInfo {
   // True if the extension is being updated; false if it is being installed.
   bool is_update;
 
-  InstalledExtensionInfo(const Extension* extension, bool is_update);
+  // The name of the extension prior to this update. Will be empty if
+  // |is_update| is false.
+  std::string old_name;
+
+  InstalledExtensionInfo(const Extension* extension, bool is_update,
+                         const std::string& old_name);
 };
 
 struct UnloadedExtensionInfo {