net: Rename FileStream::Open/Close with OpenSync/CloseSync.

content/browser/download/drag_download_util.cc

Index: content/browser/download/drag_download_util.cc
diff --git a/content/browser/download/drag_download_util.cc b/content/browser/download/drag_download_util.cc
index ed781bbb97192cdbcd12b756e59790e3bff92eb3..5f3f194a2a6a475a855ced6155f976416a905b95 100644
--- a/content/browser/download/drag_download_util.cc
+++ b/content/browser/download/drag_download_util.cc
@@ -80,7 +80,7 @@ FileStream* CreateFileStreamForDrop(FilePath* file_path) {
     // Explicitly (and redundantly check) for file -- despite the fact that our
     // open won't overwrite -- just to avoid log spew.
     if (!file_util::PathExists(new_file_path) &&
-        file_stream->Open(new_file_path, base::PLATFORM_FILE_CREATE |
+        file_stream->OpenSync(new_file_path, base::PLATFORM_FILE_CREATE |
                               base::PLATFORM_FILE_WRITE) == net::OK) {
       *file_path = new_file_path;
       return file_stream.release();