[fsp] Remove the create flag from the file opening operation.

chrome/browser/chromeos/file_system_provider/operations/open_file.cc

Index: chrome/browser/chromeos/file_system_provider/operations/open_file.cc
diff --git a/chrome/browser/chromeos/file_system_provider/operations/open_file.cc b/chrome/browser/chromeos/file_system_provider/operations/open_file.cc
index 01040897bbe0138862055271ae48ec29001932fa..8a1a3617f8e4d4d721a4899ed9ee88085cfccc13 100644
--- a/chrome/browser/chromeos/file_system_provider/operations/open_file.cc
+++ b/chrome/browser/chromeos/file_system_provider/operations/open_file.cc
@@ -18,12 +18,10 @@ OpenFile::OpenFile(
     const ProvidedFileSystemInfo& file_system_info,
     const base::FilePath& file_path,
     ProvidedFileSystemInterface::OpenFileMode mode,
-    bool create,
     const ProvidedFileSystemInterface::OpenFileCallback& callback)
     : Operation(event_router, file_system_info),
       file_path_(file_path),
       mode_(mode),
-      create_(create),
       callback_(callback) {
 }
 
@@ -49,8 +47,6 @@ bool OpenFile::Execute(int request_id) {
       break;
   }
 
-  values->SetBoolean("create", create_);
-
   return SendEvent(
       request_id,
       extensions::api::file_system_provider::OnOpenFileRequested::kEventName,