base: Add three helper functions to Values API.

base/json/json_reader.cc

 // Copyright (c) 2011 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/float_util.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/stringprintf.h"
@@ skipping 201 matching lines @@
   }
 
   scoped_ptr<Value> node;
 
   switch (token.type) {
     case Token::END_OF_INPUT:
     case Token::INVALID_TOKEN:
       return NULL;
 
     case Token::NULL_TOKEN:
-      node.reset(Value::CreateNullValue());
+      node.reset(NullValue());
       break;
 
     case Token::BOOL_TRUE:
-      node.reset(Value::CreateBooleanValue(true));
+      node.reset(TrueValue());
       break;
 
     case Token::BOOL_FALSE:
-      node.reset(Value::CreateBooleanValue(false));
+      node.reset(FalseValue());
       break;
 
     case Token::NUMBER:
       node.reset(DecodeNumber(token));
       if (!node.get())
         return NULL;
       break;
 
     case Token::STRING:
       node.reset(DecodeString(token));
@@ skipping 424 matching lines @@
       ++column_number;
     }
   }
 
   error_line_ = line_number;
   error_col_ = column_number;
   error_code_ = error;
 }
 
 }  // namespace base