Move more file_util functions to base namespace.

net/url_request/url_request_file_job.cc

Index: net/url_request/url_request_file_job.cc
diff --git a/net/url_request/url_request_file_job.cc b/net/url_request/url_request_file_job.cc
index 053a22ed2331f3d9516a9d643d694c55be163157..723e6a030b7f67a7bcacbe70f8f9f03b244ccdd2 100644
--- a/net/url_request/url_request_file_job.cc
+++ b/net/url_request/url_request_file_job.cc
@@ -198,7 +198,7 @@ URLRequestFileJob::~URLRequestFileJob() {
 void URLRequestFileJob::FetchMetaInfo(const base::FilePath& file_path,
                                       FileMetaInfo* meta_info) {
   base::PlatformFileInfo platform_info;
-  meta_info->file_exists = file_util::GetFileInfo(file_path, &platform_info);
+  meta_info->file_exists = base::GetFileInfo(file_path, &platform_info);
   if (meta_info->file_exists) {
     meta_info->file_size = platform_info.size;
     meta_info->is_directory = platform_info.is_directory;