Remove base/win/metro.{cc|h} and some associated code

chrome/browser/shell_integration_win.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/browser/shell_integration.h"
 
 #include <windows.h>
 #include <shlwapi.h>
 #include <shobjidl.h>
 #include <propkey.h>  // Needs to come after shobjidl.h.
@@ skipping 565 matching lines @@
           NOTREACHED();
           continue;
       }
     }
 
     // Only set dual mode if the expected app id is the default app id.
     BrowserDistribution* dist = BrowserDistribution::GetDistribution();
     base::string16 default_chromium_model_id(
         ShellUtil::GetBrowserModelId(dist, is_per_user_install));
     if (check_dual_mode && expected_app_id == default_chromium_model_id) {
-      const bool dual_mode_desired =
-          InstallUtil::ShouldInstallMetroProperties();
+      // TODO(scottmg): Simplify with no Metro: http://crbug.com/558054.
+      const bool dual_mode_desired = false;
       propvariant.Reset();
       if (property_store->GetValue(PKEY_AppUserModel_IsDualMode,
                                    propvariant.Receive()) != S_OK) {
         // When in doubt, prefer to not update the shortcut.
         NOTREACHED();
         continue;
       } else {
         switch (propvariant.get().vt) {
           case VT_EMPTY:
             // If dual_mode is not set at all, make sure it gets set to true if
@@ skipping 121 matching lines @@
   // in the "How would you like to open this?" prompt.
   if (!RegisterBrowser())
     return false;
 
   ResetDefaultBrowser();
 
   base::CommandLine cmdline(base::FilePath(L"openwith.exe"));
   cmdline.AppendArgNative(StartupBrowserCreator::GetDefaultBrowserUrl());
   return base::LaunchProcess(cmdline, base::LaunchOptions()).IsValid();
 }