Pass Manifest JSON paser error line and column number to console.

base/json/json_reader.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/json/json_reader.h"
 
 #include "base/json/json_parser.h"
 #include "base/logging.h"
 #include "base/values.h"
 
@@ skipping 41 matching lines @@
 scoped_ptr<Value> JSONReader::Read(const StringPiece& json, int options) {
   internal::JSONParser parser(options);
   return make_scoped_ptr(parser.Parse(json));
 }
 
 
 // static
 scoped_ptr<Value> JSONReader::ReadAndReturnError(const StringPiece& json,
                                                  int options,
                                                  int* error_code_out,
-                                                 std::string* error_msg_out) {
+                                                 std::string* error_msg_out,
+                                                 int* error_line_out,
+                                                 int* error_column_out) {
   internal::JSONParser parser(options);
   scoped_ptr<Value> root(parser.Parse(json));
   if (!root) {
     if (error_code_out)
       *error_code_out = parser.error_code();
     if (error_msg_out)
       *error_msg_out = parser.GetErrorMessage();
+    if (error_line_out)
+      *error_line_out = parser.error_line();
+    if (error_column_out)
+      *error_column_out = parser.error_column();
   }
 
   return root;
 }
 
 // static
 std::string JSONReader::ErrorCodeToString(JsonParseError error_code) {
   switch (error_code) {
     case JSON_NO_ERROR:
       return std::string();
@@ skipping 25 matching lines @@
 
 JSONReader::JsonParseError JSONReader::error_code() const {
   return parser_->error_code();
 }
 
 std::string JSONReader::GetErrorMessage() const {
   return parser_->GetErrorMessage();
 }
 
 }  // namespace base