Show a delete shortcut checkbox when editing a profile that has a shortcut.

chrome/browser/profiles/profile_shortcut_manager.h

Index: chrome/browser/profiles/profile_shortcut_manager.h
===================================================================
--- chrome/browser/profiles/profile_shortcut_manager.h	(revision 175855)
+++ chrome/browser/profiles/profile_shortcut_manager.h	(working copy)
@@ -5,6 +5,7 @@
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_SHORTCUT_MANAGER_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_SHORTCUT_MANAGER_H_
 
+#include "base/callback.h"
 #include "base/file_path.h"
 #include "base/string16.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
@@ -20,6 +21,17 @@
   // profile created.
   virtual void CreateProfileShortcut(const FilePath& profile_path) = 0;
 
+  // Removes any desktop profile shortcuts for the profile corresponding to
+  // |profile_path|.
+  virtual void RemoveProfileShortcuts(const FilePath& profile_path) = 0;
+
+  // Checks if a profile at |profile_path| has any shortcuts and invokes
+  // |callback| with the bool result some time later. Does not consider
+  // non-profile specific shortcuts.
+  virtual void HasProfileShortcuts(
+      const FilePath& profile_path,
+      const base::Callback<void(bool)>& callback) = 0;
+
   static bool IsFeatureEnabled();
   static ProfileShortcutManager* Create(ProfileManager* manager);