Pepper: TempFile cleanup.

ppapi/native_client/src/trusted/plugin/temporary_file.h

 // Copyright (c) 2012 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 NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_TEMPORARY_FILE_H_
 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_TEMPORARY_FILE_H_
 
 #include "native_client/src/include/nacl_macros.h"
 #include "native_client/src/trusted/desc/nacl_desc_wrapper.h"
 
 #include "ppapi/c/private/pp_file_handle.h"
-#include "ppapi/cpp/completion_callback.h"
 
 namespace plugin {
 
 class Plugin;
 
 // Translation creates two temporary files.  The first temporary file holds
 // the object file created by llc.  The second holds the nexe produced by
 // the linker.  Both of these temporary files are used to both write and
 // read according to the following matrix:
 //
@@ skipping 13 matching lines @@
 // of the file between sessions.
 class TempFile {
  public:
   // Create a TempFile.
   explicit TempFile(Plugin* plugin);
   ~TempFile();
 
   // Opens a temporary file object and descriptor wrapper referring to the file.
   // If |writeable| is true, the descriptor will be opened for writing, and
   // write_wrapper will return a valid pointer, otherwise it will return NULL.
-  void Open(const pp::CompletionCallback& cb, bool writeable);
+  int32_t Open(bool writeable);
   // Resets file position of the handle, for reuse.
   bool Reset();
 
   // Accessors.
   // The nacl::DescWrapper* for the writeable version of the file.
   nacl::DescWrapper* write_wrapper() { return write_wrapper_.get(); }
   nacl::DescWrapper* read_wrapper() { return read_wrapper_.get(); }
-  nacl::DescWrapper* release_read_wrapper() {
-    return read_wrapper_.release();
-  }
 
-  PP_FileHandle* existing_handle() { return &existing_handle_; }
+  // Returns the handle to the file repesented and resets the internal handle
+  // and all wrappers.
+  PP_FileHandle TakeFileHandle();
+
+  // Used by GetNexeFd() to set the underlying internal handle.
+  PP_FileHandle* internal_handle() { return &internal_handle_; }
 
  private:
   NACL_DISALLOW_COPY_AND_ASSIGN(TempFile);
 
   Plugin* plugin_;
   nacl::scoped_ptr<nacl::DescWrapper> read_wrapper_;
   nacl::scoped_ptr<nacl::DescWrapper> write_wrapper_;
-  PP_FileHandle existing_handle_;
+  PP_FileHandle internal_handle_;
 };
 
 }  // namespace plugin
 
 #endif  // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_TEMPORARY_FILE_H_