[cros] Display emails of users are stored in a separate dictionary in Local State.

chrome/browser/ui/webui/options/chromeos/accounts_options_handler.h

Index: chrome/browser/ui/webui/options/chromeos/accounts_options_handler.h
diff --git a/chrome/browser/ui/webui/options/chromeos/accounts_options_handler.h b/chrome/browser/ui/webui/options/chromeos/accounts_options_handler.h
index 31ee9f07903f68b900753ca6fcd763b53fb8c3bc..e00af5dc91bb71916d4351afd58aef485a8df76e 100644
--- a/chrome/browser/ui/webui/options/chromeos/accounts_options_handler.h
+++ b/chrome/browser/ui/webui/options/chromeos/accounts_options_handler.h
@@ -26,13 +26,26 @@ class AccountsOptionsHandler : public OptionsPageUIHandler {
   virtual void GetLocalizedValues(
       base::DictionaryValue* localized_strings) OVERRIDE;
 
+  // Creates a user info dictionary to be stored in the |ListValue| that is
+  // passed to Javascript for the |kAccountsPrefUsers| preference.
+  static base::DictionaryValue* CreateUserInfo(const std::string& username,
+                                               const std::string& display_email,
+                                               const std::string& display_name);
+
  private:
   // Javascript callbacks to whitelist/unwhitelist user.
-  void WhitelistUser(const base::ListValue* args);
-  void UnwhitelistUser(const base::ListValue* args);
+  void HandleWhitelistUser(const base::ListValue* args);
+  void HandleUnwhitelistUser(const base::ListValue* args);
 
   // Javascript callback to auto add existing users to white list.
-  void WhitelistExistingUsers(const base::ListValue* args);
+  void HandleWhitelistExistingUsers(const base::ListValue* args);
+
+  // Adds specified user to the whitelist. Returns false if that user is already
+  // in the whitelist.
+  bool WhitelistUser(const std::string& username);
+
+  // Returns true if |username| is the logged-in owner.
+  static bool IsLoggedInOwner(const std::string& username);
 
   DISALLOW_COPY_AND_ASSIGN(AccountsOptionsHandler);
 };