Deleted OS_WIN and all Windows specific files from base.

base/json/json_file_value_serializer.cc

Index: base/json/json_file_value_serializer.cc
diff --git a/base/json/json_file_value_serializer.cc b/base/json/json_file_value_serializer.cc
index 72a09700161776760a00c73e99f57b613f26df11..d364c80be9b2739012324fc4327888dd2abb813d 100644
--- a/base/json/json_file_value_serializer.cc
+++ b/base/json/json_file_value_serializer.cc
@@ -64,14 +64,6 @@ JSONFileValueDeserializer::~JSONFileValueDeserializer() {
 int JSONFileValueDeserializer::ReadFileToString(std::string* json_string) {
   DCHECK(json_string);
   if (!base::ReadFileToString(json_file_path_, json_string)) {
-#if defined(OS_WIN)
-    int error = ::GetLastError();
-    if (error == ERROR_SHARING_VIOLATION || error == ERROR_LOCK_VIOLATION) {
-      return JSON_FILE_LOCKED;
-    } else if (error == ERROR_ACCESS_DENIED) {
-      return JSON_ACCESS_DENIED;
-    }
-#endif
     if (!base::PathExists(json_file_path_))
       return JSON_NO_SUCH_FILE;
     else