Refactoring installer shortcut deletion; adding dedicated shortcut update feature.

chrome/installer/util/shell_util.h

Index: chrome/installer/util/shell_util.h
diff --git a/chrome/installer/util/shell_util.h b/chrome/installer/util/shell_util.h
index bfdb9b953ecfeec05bd2c918e40e8096246a7b16..d3ff95beb98dbd7036a18e1caf9d84f0a3e57903 100644
--- a/chrome/installer/util/shell_util.h
+++ b/chrome/installer/util/shell_util.h
@@ -526,6 +526,25 @@ class ShellUtil {
   static void RemoveStartScreenShortcuts(BrowserDistribution* dist,
                                          const string16& target_exe);
 
+  // Traverses through instsalles shortcut(s) in a similar fashion as

[gab, 2013/04/24 21:41:46]

nit: instsalles ?!

[huangs, 2013/04/25 16:27:46]

installed.  Done.

+  // RemoveShortcut(). For each matched shortcut to |old_target_exe|,
+  // update the shortcut so that it points to |new_target_exe|.
+  static bool MigrateShortcut(ShellUtil::ShortcutLocation location,
+                              BrowserDistribution* dist,
+                              const base::FilePath& old_target_exe,
+                              const base::FilePath& new_target_exe,
+                              ShellChange level,
+                              const string16* shortcut_name);
+
+  // Simmilar to RemoveTaskbarShortcuts(), but performs migration.
+  static void MigrateTaskbarShortcuts(const string16& old_target_exe,
+                                      const string16& new_target_exe);
+
+  // Simmilar to RemoveStartScreenShortcuts(), but performs migration.
+  static void MigrateStartScreenShortcuts(BrowserDistribution* dist,
+                                          const string16& old_target_exe,
+                                          const string16& new_target_exe);
+
   // Sets |suffix| to the base 32 encoding of the md5 hash of this user's sid
   // preceded by a dot.
   // This is guaranteed to be unique on the machine and 27 characters long