Enough hacks to make wstring printfs unneeded

chrome/installer/util/shell_util.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // This file defines functions that integrate Chrome in Windows shell. These
 // functions can be used by Chrome as well as Chrome installer. All of the
 // work is done by the local functions defined in anonymous namespace in
 // this class.
 
 #include "chrome/installer/util/shell_util.h"
@@ skipping 1473 matching lines @@
 }
 
 bool ShortcutOpListOrRemoveUnknownArgs(
     bool do_removal,
     std::vector<std::pair<base::FilePath, base::string16> >* shortcuts,
     const base::FilePath& shortcut_path) {
   base::string16 args;
   if (!base::win::ResolveShortcut(shortcut_path, NULL, &args))
     return false;
 
-  base::CommandLine current_args(base::CommandLine::FromString(
-      base::StringPrintf(L"unused_program %ls", args.c_str())));
+  base::CommandLine current_args(base::CommandLine::FromString(L""));
+      //base::StringPrintf(L"unused_program %ls", args.c_str())));

[brucedawson, 2015/10/20 21:43:00]

String printing of arguments.

   const char* const kept_switches[] = {
       switches::kApp,
       switches::kAppId,
       switches::kShowAppList,
       switches::kProfileDirectory,
   };
   base::CommandLine desired_args(base::CommandLine::NO_PROGRAM);
   desired_args.CopySwitchesFrom(current_args, kept_switches,
                                 arraysize(kept_switches));
   if (desired_args.argv().size() == current_args.argv().size())
@@ skipping 1059 matching lines @@
   base::string16 key_path(ShellUtil::kRegClasses);
   key_path.push_back(base::FilePath::kSeparators[0]);
   key_path.append(prog_id);
   return InstallUtil::DeleteRegistryKey(
       HKEY_CURRENT_USER, key_path, WorkItem::kWow64Default);
 
   // TODO(mgiuca): Remove the extension association entries. This requires that
   // the extensions associated with a particular prog_id are stored in that
   // prog_id's key.
 }