PPAPI: Add PluginPrivateFileSystem

ppapi/proxy/file_system_resource.cc

 // Copyright (c) 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.
 
 #include "ppapi/proxy/file_system_resource.h"
 
 #include "base/bind.h"
 #include "ipc/ipc_message.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/proxy/ppapi_messages.h"
@@ skipping 76 matching lines @@
       this,
       callback));
   Call<PpapiPluginMsg_FileSystem_InitIsolatedFileSystemReply>(BROWSER,
       PpapiHostMsg_FileSystem_InitIsolatedFileSystem(fsid),
       base::Bind(&FileSystemResource::InitIsolatedFileSystemComplete,
       this,
       callback));
   return PP_OK_COMPLETIONPENDING;
 }
 
+int32_t FileSystemResource::OpenPluginPrivateFileSystem(
+    const base::Callback<void(int32_t)>& callback) {
+  // This call is mutually exclusive with Open() above, so we can reuse the
+  // called_open state.
+  DCHECK(type_ == PP_FILESYSTEMTYPE_ISOLATED);
+  if (called_open_)
+    return PP_ERROR_FAILED;
+  called_open_ = true;
+
+  Call<PpapiPluginMsg_FileSystem_OpenPluginPrivateFileSystemReply>(BROWSER,
+      PpapiHostMsg_FileSystem_OpenPluginPrivateFileSystem(),
+      base::Bind(&FileSystemResource::OpenPluginPrivateFileSystemComplete,
+      this,
+      callback));
+
+  return PP_OK_COMPLETIONPENDING;
+}
+
 void FileSystemResource::OpenComplete(
     scoped_refptr<TrackedCallback> callback,
     const ResourceMessageReplyParams& params) {
   ++callback_count_;
   // Received callback from browser and renderer.
   if (callback_count_ == 2)
     callback->Run(params.result());
 }
 
 void FileSystemResource::InitIsolatedFileSystemComplete(
     const base::Callback<void(int32_t)>& callback,
     const ResourceMessageReplyParams& params) {
   ++callback_count_;
   // Received callback from browser and renderer.
   if (callback_count_ == 2)
     callback.Run(params.result());
 }
 
+void FileSystemResource::OpenPluginPrivateFileSystemComplete(
+    const base::Callback<void(int32_t)>& callback,
+    const ResourceMessageReplyParams& params,
+    const std::string& fsid) {
+  Call<PpapiPluginMsg_FileSystem_InitPluginPrivateFileSystemReply>(RENDERER,

[teravest, 2013/10/29 17:14:11]

Why doesn't this call go to the BROWSER as well?

+      PpapiHostMsg_FileSystem_InitPluginPrivateFileSystem(fsid),
+      base::Bind(&FileSystemResource::InitPluginPrivateFileSystemComplete,
+      this,
+      callback));
+}
+
+void FileSystemResource::InitPluginPrivateFileSystemComplete(
+    const base::Callback<void(int32_t)>& callback,
+    const ResourceMessageReplyParams& params) {
+  callback.Run(params.result());
+}
+
 }  // namespace proxy
 }  // namespace ppapi