Delete both regular and Metro user data dirs on uninstall.

chrome/installer/util/product.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.
 
 #include "chrome/installer/util/product.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 44 matching lines @@
 
 void Product::InitializeFromPreferences(const MasterPreferences& prefs) {
   operations_->ReadOptions(prefs, &options_);
 }
 
 void Product::InitializeFromUninstallCommand(
     const CommandLine& uninstall_command) {
   operations_->ReadOptions(uninstall_command, &options_);
 }
 
-FilePath Product::GetUserDataPath() const {
-  return GetChromeUserDataPath(distribution_);
+void Product::GetUserDataPaths(std::vector<FilePath>* paths) const {
+  GetChromeUserDataPaths(distribution_, paths);
 }
 
 bool Product::LaunchChrome(const FilePath& application_path) const {
   bool success = !application_path.empty();
   if (success) {
     CommandLine cmd(application_path.Append(installer::kChromeExe));
     success = base::LaunchProcess(cmd, base::LaunchOptions(), NULL);
   }
   return success;
 }
@@ skipping 73 matching lines @@
 
 void Product::AppendRenameFlags(CommandLine* command_line) const {
   operations_->AppendRenameFlags(options_, command_line);
 }
 
 bool Product::SetChannelFlags(bool set, ChannelInfo* channel_info) const {
   return operations_->SetChannelFlags(options_, set, channel_info);
 }
 
 }  // namespace installer