Add Windows desktop shortcut for multiple profiles.

chrome/browser/profiles/profile_info_cache_observer.h

+// Copyright (c) 2011 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.
+
+#ifndef CHROME_BROWSER_PROFILES_PROFILE_INFO_CACHE_OBSERVER_H_
+#define CHROME_BROWSER_PROFILES_PROFILE_INFO_CACHE_OBSERVER_H_
+#pragma once
+
+// This class provides an Observer interface to watch for changes to the
+// ProfileInfoCache.
+class ProfileInfoCacheObserver {
+ public:
+  virtual ~ProfileInfoCacheObserver() {}
+
+  virtual void OnProfileAdded(
+      const string16& profile_name,
+      const string16& profile_base_dir) = 0;
+  virtual void OnProfileRemoved(
+      const string16& profile_name) = 0;
+  virtual void OnProfileNameChanged(
+      const string16& old_profile_name,
+      const string16& new_profile_name) = 0;
+
+ protected:
+  ProfileInfoCacheObserver() {}
+
+  DISALLOW_COPY_AND_ASSIGN(ProfileInfoCacheObserver);
+};
+
+#endif  // CHROME_BROWSER_PROFILES_PROFILE_INFO_CACHE_OBSERVER_H_