Make ValueDeserializer::Deserialize return scoped_ptr

base/json/json_string_value_serializer.h

Index: base/json/json_string_value_serializer.h
diff --git a/base/json/json_string_value_serializer.h b/base/json/json_string_value_serializer.h
index bc0e66d127fec10c2c9199a7169b39ad6b146f44..90f697d913cb7273bc8bfc6384d3a5e38ed40746 100644
--- a/base/json/json_string_value_serializer.h
+++ b/base/json/json_string_value_serializer.h
@@ -59,8 +59,8 @@ class BASE_EXPORT JSONStringValueDeserializer : public base::ValueDeserializer {
   // If |error_message| is non-null, it will be filled in with a formatted
   // error message including the location of the error if appropriate.
   // The caller takes ownership of the returned value.
-  base::Value* Deserialize(int* error_code,
-                           std::string* error_message) override;
+  scoped_ptr<base::Value> Deserialize(int* error_code,
+                                      std::string* error_message) override;
 
   void set_allow_trailing_comma(bool new_value) {
     allow_trailing_comma_ = new_value;