Modify the base::JSONReader interface to take a set of options rather than a boolean flag.

chrome/browser/spellchecker/spelling_service_client.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 "chrome/browser/spellchecker/spelling_service_client.h"
 
 #include "base/json/json_reader.h"
 #include "base/json/string_escape.h"
 #include "base/logging.h"
 #include "base/stringprintf.h"
@@ skipping 135 matching lines @@
   //       "misspellings": [{
   //           "charStart": 10,
   //           "charLength": 5,
   //           "suggestions": [{ "suggestion": "quack" }],
   //           "canAutoCorrect": false
   //       }]
   //     }
   //   }
   // }
   scoped_ptr<DictionaryValue> value(
-      static_cast<DictionaryValue*>(base::JSONReader::Read(data, true)));
+      static_cast<DictionaryValue*>(
+          base::JSONReader::Read(data, base::JSON_ALLOW_TRAILING_COMMAS)));
   if (!value.get() || !value->IsType(base::Value::TYPE_DICTIONARY))
     return false;
 
   // Retrieve the array of Misspelling objects. When an internal error happens
   // in the Spelling service, it returns a JSON representing the internal error.
   // (In this case, its HTTP status is 200.) We just return false for this case.
   ListValue* misspellings = NULL;
   const char kMisspellings[] = "result.spellingCheckResponse.misspellings";
   if (!value->GetList(kMisspellings, &misspellings))
     return false;
@@ skipping 20 matching lines @@
     if (!suggestions->GetDictionary(0, &suggestion) ||
         !suggestion->GetString("suggestion", &replacement)) {
       return false;
     }
     SpellCheckResult result(
         SpellCheckResult::SPELLING, start, length, replacement);
     results->push_back(result);
   }
   return true;
 }