Removed obsolete float_util.h as VS2013 supports standards well enough.

base/json/json_parser.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_parser.h"
 
-#include "base/float_util.h"
+#include <cmath>
+
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversion_utils.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/third_party/icu/icu_utf.h"
 #include "base/values.h"
@@ skipping 847 matching lines @@
   index_ = exit_index;
 
   StringPiece num_string(num_start, end_index - start_index);
 
   int num_int;
   if (StringToInt(num_string, &num_int))
     return new FundamentalValue(num_int);
 
   double num_double;
   if (base::StringToDouble(num_string.as_string(), &num_double) &&
-      IsFinite(num_double)) {
+      std::isfinite(num_double)) {
     return new FundamentalValue(num_double);
   }
 
   return NULL;
 }
 
 bool JSONParser::ReadInt(bool allow_leading_zeros) {
   char first = *pos_;
   int len = 0;
 
@@ skipping 70 matching lines @@
                                            const std::string& description) {
   if (line || column) {
     return StringPrintf("Line: %i, column: %i, %s",
         line, column, description.c_str());
   }
   return description;
 }
 
 }  // namespace internal
 }  // namespace base