Adds option for JSON reader to allow invalid utf characters

base/json/json_file_value_serializer.cc

Index: base/json/json_file_value_serializer.cc
diff --git a/base/json/json_file_value_serializer.cc b/base/json/json_file_value_serializer.cc
index 1a9b7a23b2044c4f467924c8a9546ac0276b52dd..661d25d79843e4dd37cf1d775ccdeda51aa72bb0 100644
--- a/base/json/json_file_value_serializer.cc
+++ b/base/json/json_file_value_serializer.cc
@@ -53,11 +53,9 @@ bool JSONFileValueSerializer::SerializeInternal(const base::Value& root,
 }
 
 JSONFileValueDeserializer::JSONFileValueDeserializer(
-    const base::FilePath& json_file_path)
-    : json_file_path_(json_file_path),
-      allow_trailing_comma_(false),
-      last_read_size_(0U) {
-}
+    const base::FilePath& json_file_path,
+    int options)
+    : json_file_path_(json_file_path), options_(options), last_read_size_(0U) {}
 
 JSONFileValueDeserializer::~JSONFileValueDeserializer() {
 }
@@ -114,7 +112,6 @@ std::unique_ptr<base::Value> JSONFileValueDeserializer::Deserialize(
     return NULL;
   }
 
-  JSONStringValueDeserializer deserializer(json_string);
-  deserializer.set_allow_trailing_comma(allow_trailing_comma_);
+  JSONStringValueDeserializer deserializer(json_string, options_);
   return deserializer.Deserialize(error_code, error_str);
 }