Reland of Stop passing raw pointers to base::Value API in c/b/ui

chrome/browser/ui/webui/options/language_options_handler_common.h

Index: chrome/browser/ui/webui/options/language_options_handler_common.h
diff --git a/chrome/browser/ui/webui/options/language_options_handler_common.h b/chrome/browser/ui/webui/options/language_options_handler_common.h
index 1b94a67d3c55d0cdbaa740c2f21fcf62d9150ba0..18e3355757630386b24c888ad202b5d5eddee044 100644
--- a/chrome/browser/ui/webui/options/language_options_handler_common.h
+++ b/chrome/browser/ui/webui/options/language_options_handler_common.h
@@ -5,6 +5,8 @@
 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_LANGUAGE_OPTIONS_HANDLER_COMMON_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_LANGUAGE_OPTIONS_HANDLER_COMMON_H_
 
+#include <memory>
+
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/spellchecker/spellcheck_hunspell_dictionary.h"
@@ -49,7 +51,7 @@ class LanguageOptionsHandlerCommon
   //
   // Note that true in values does not mean anything. We just use the
   // dictionary as a set.
-  static base::DictionaryValue* GetUILanguageCodeSet();
+  static std::unique_ptr<base::DictionaryValue> GetUILanguageCodeSet();
 
   // Gets the set of language codes that can be used for spellchecking.
   // The return value will look like:
@@ -57,7 +59,7 @@ class LanguageOptionsHandlerCommon
   //
   // Note that true in values does not mean anything. We just use the
   // dictionary as a set.
-  static base::DictionaryValue* GetSpellCheckLanguageCodeSet();
+  static std::unique_ptr<base::DictionaryValue> GetSpellCheckLanguageCodeSet();
 
  private:
   // Sets the application locale.