First try at a user management screen for the desktop

chrome/browser/profiles/profile_manager.h

Index: chrome/browser/profiles/profile_manager.h
diff --git a/chrome/browser/profiles/profile_manager.h b/chrome/browser/profiles/profile_manager.h
index 21f403302a6ae4f8ed09b55705dde1d8e942d6f6..9059b62a5be50f664c902607fa78ff6b3d5cdfbd 100644
--- a/chrome/browser/profiles/profile_manager.h
+++ b/chrome/browser/profiles/profile_manager.h
@@ -178,6 +178,14 @@ class ProfileManager : public base::NonThreadSafe,
       chrome::HostDesktopType desktop_type,
       bool always_create);
 
+  // Opens a Browser with the specified profile identified by |path|.
+  // If |always_create| is true then a new window is created even if a window
+  // for that profile already exists.
+  static void SwitchToProfile(
+      const base::FilePath& path,
+      chrome::HostDesktopType desktop_type,
+      bool always_create);
+
   // Profile::Delegate implementation:
   virtual void OnProfileCreated(Profile* profile,
                                 bool success,
@@ -262,6 +270,7 @@ class ProfileManager : public base::NonThreadSafe,
  private:
   friend class TestingProfileManager;
   FRIEND_TEST_ALL_PREFIXES(ProfileManagerBrowserTest, DeleteAllProfiles);
+  FRIEND_TEST_ALL_PREFIXES(ProfileManagerBrowserTest, SwitchToProfile);
 
   // This struct contains information about profiles which are being loaded or
   // were loaded.