PPAPI: Add new PPB_FileRef.MakeDirectory to support exclusive operation

content/browser/renderer_host/pepper/pepper_file_ref_host.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_FILE_REF_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_FILE_REF_HOST_H_
 
 #include <string>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 11 matching lines @@
 class PepperFileSystemBrowserHost;
 
 // Internal and external filesystems have very different codepaths for
 // performing FileRef operations. The logic is split into separate classes
 // to make it easier to read.
 class PepperFileRefBackend {
  public:
   virtual ~PepperFileRefBackend();
 
   virtual int32_t MakeDirectory(ppapi::host::ReplyMessageContext context,
-                                bool make_ancestors) = 0;
+                                int32_t make_directory_flags) = 0;
   virtual int32_t Touch(ppapi::host::ReplyMessageContext context,
                         PP_Time last_accessed_time,
                         PP_Time last_modified_time) = 0;
   virtual int32_t Delete(ppapi::host::ReplyMessageContext context) = 0;
   virtual int32_t Rename(ppapi::host::ReplyMessageContext context,
                          PepperFileRefHost* new_file_ref) = 0;
   virtual int32_t Query(ppapi::host::ReplyMessageContext context) = 0;
   virtual int32_t ReadDirectoryEntries(
       ppapi::host::ReplyMessageContext context) = 0;
   virtual int32_t GetAbsolutePath(
@@ skipping 39 matching lines @@
   base::FilePath GetExternalFilePath() const;
   base::WeakPtr<PepperFileSystemBrowserHost> GetFileSystemHost() const;
 
   int32_t CanRead() const;
   int32_t CanWrite() const;
   int32_t CanCreate() const;
   int32_t CanReadWrite() const;
 
  private:
   int32_t OnMakeDirectory(ppapi::host::HostMessageContext* context,
-                          bool make_ancestors);
+                          int32_t make_directory_flags);
   int32_t OnTouch(ppapi::host::HostMessageContext* context,
                   PP_Time last_access_time,
                   PP_Time last_modified_time);
   int32_t OnDelete(ppapi::host::HostMessageContext* context);
   int32_t OnRename(ppapi::host::HostMessageContext* context,
                    PP_Resource new_file_ref);
   int32_t OnQuery(ppapi::host::HostMessageContext* context);
   int32_t OnReadDirectoryEntries(ppapi::host::HostMessageContext* context);
   int32_t OnGetAbsolutePath(ppapi::host::HostMessageContext* context);
 
   BrowserPpapiHost* host_;
   scoped_ptr<PepperFileRefBackend> backend_;
   base::WeakPtr<PepperFileSystemBrowserHost> file_system_host_;
   PP_FileSystemType fs_type_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperFileRefHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_FILE_REF_HOST_H_