Introduce RemoveChromeTaskbarShortcuts() to delete all pinned-to-taskbar shortcuts owned by the uni…

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 4e121c57d395f21bd0e3c1261da92c418f2d62f2..5a4786c754a62bdfbc7aea0e86496527d6e15e05 100644
--- a/chrome/installer/util/shell_util.h
+++ b/chrome/installer/util/shell_util.h
@@ -515,6 +515,13 @@ class ShellUtil {
                                    ShellChange level,
                                    const string16* shortcut_name);
 
+  // Enumerates all shortcuts pinned to the taskbar and deletes those pointing
+  // to |chrome_exe|.
+  // base::win::TaskbarUnpinShortcutLink() should be prefered, but this is
+  // useful on uninstall as the parent shortcut of a pin might no longer exist
+  // (thus making it impossible to unpin it via that API).
+  static void RemoveChromeTaskbarShortcuts(const string16& chrome_exe);
+
   // This will remove all secondary tiles from the start screen for |dist|.
   static void RemoveChromeStartScreenShortcuts(BrowserDistribution* dist,
                                                const string16& chrome_exe);