fix bug in locale dependence check

base/string_util.cc

Index: base/string_util.cc
diff --git a/base/string_util.cc b/base/string_util.cc
index 4897f85ec15686647616d164f063d273fd18af6d..558bd45933762a19052c5e44ba47174277efb652 100644
--- a/base/string_util.cc
+++ b/base/string_util.cc
@@ -240,7 +240,7 @@ class WStringToDoubleTraits {
   static inline value_type convert_func(const string_type::value_type* str,
                                         string_type::value_type** endptr,
                                         bool locale_dependent) {
-    if (base::LOCALE_DEPENDENT == locale_dependent) {
+    if (locale_dependent) {
       return wcstod(str, endptr);
     } else {
       // Because dmg_fp::strtod does not like wchar_t, we convert it to ASCII.