[Win] Add a fast profile switcher to the Windows taskbar item.

components/signin/core/common/profile_management_switches.cc

 // Copyright 2014 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 "components/signin/core/common/profile_management_switches.h"
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "build/build_config.h"
 #include "components/signin/core/common/signin_switches.h"
@@ skipping 174 matching lines @@
 void EnableNewProfileManagementForTesting(base::CommandLine* command_line) {
   command_line->AppendSwitch(switches::kEnableNewProfileManagement);
   DCHECK(!command_line->HasSwitch(switches::kDisableNewProfileManagement));
 }
 
 void EnableAccountConsistencyForTesting(base::CommandLine* command_line) {
   command_line->AppendSwitch(switches::kEnableAccountConsistency);
   DCHECK(!command_line->HasSwitch(switches::kDisableAccountConsistency));
 }
 
+bool HasProfilesJumplistExperiment() {
+  const std::string group_name =
+      base::FieldTrialList::FindFullName("Windows-Jumplist-Profiles");
+  return group_name == "Use-Profiles";

[Roger Tawa OOO till Jul 10th, 2014/11/13 14:54:19]

Maybe remove '-' from trial and group names?

[noms (inactive), 2014/11/13 16:59:55]

Done. Also moved it to jumplist_win.cc because it's the only one using it, and
it didn't really belong in the switches namespace.

+}
+
 }  // namespace switches