Pepper Flash: Add trivial C++ wrappers for PPB_Flash_File_{ModuleLocal,FileRef}.

ppapi/cpp/private/flash_file.h

Index: ppapi/cpp/private/flash_file.h
diff --git a/ppapi/cpp/private/flash_file.h b/ppapi/cpp/private/flash_file.h
new file mode 100644
index 0000000000000000000000000000000000000000..1c19c9d0526a806f56d0b3754d0d9a9d8be9031e
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+++ b/ppapi/cpp/private/flash_file.h
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+// 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 PPAPI_CPP_PRIVATE_FLASH_FILE_H_
+#define PPAPI_CPP_PRIVATE_FLASH_FILE_H_
+
+#include <string>
+#include <vector>
+
+#include "ppapi/c/private/ppb_flash_file.h"
+
+namespace pp {
+
+class FileRef;
+class InstanceHandle;
+
+namespace flash {
+
+// FileModuleLocal -------------------------------------------------------------
+
+class FileModuleLocal {
+ public:
+  // Returns true if the required interface is available.
+  static bool IsAvailable();
+
+  static bool CreateThreadAdapterForInstance(const InstanceHandle& instance);
+  static void ClearThreadAdapterForInstance(const InstanceHandle& instance);
+
+  // Returns |PP_kInvalidFileHandle| on error.
+  static PP_FileHandle OpenFile(const InstanceHandle& instance,
+                                const std::string& path,
+                                int32_t mode);
+  static bool RenameFile(const InstanceHandle& instance,
+                         const std::string& path_from,
+                         const std::string& path_to);
+  static bool DeleteFileOrDir(const InstanceHandle& instance,
+                              const std::string& path,
+                              bool recursive);
+  static bool CreateDir(const InstanceHandle& instance,
+                        const std::string& path);
+  static bool QueryFile(const InstanceHandle& instance,
+                        const std::string& path,
+                        PP_FileInfo* info);
+  // Note that, unlike the C interface, no |FreeDirContents()| is needed.
+  static bool GetDirContents(const InstanceHandle& instance,
+                             const std::string& path,
+                             std::vector<PP_DirEntry_Dev>* dir_contents);
+
+  // Returns true if |CreateTemporaryFile()| is supported.
+  // TODO(viettrungluu): Remove this sometime after M21 ships to Stable?
+  static bool IsCreateTemporaryFileAvailable();
+  // Returns |PP_kInvalidFileHandle| on error.
+  static PP_FileHandle CreateTemporaryFile(const InstanceHandle& instance);
+};
+
+// FileFileRef -----------------------------------------------------------------
+
+class FileFileRef {
+ public:
+  // Returns true if the required interface is available.
+  static bool IsAvailable();
+
+  // Returns |PP_kInvalidFileHandle| on error.
+  static PP_FileHandle OpenFile(const pp::FileRef& resource,
+                                int32_t mode);
+  static bool QueryFile(const pp::FileRef& resource,
+                        PP_FileInfo* info);
+};
+
+}  // namespace flash
+}  // namespace pp
+
+#endif  // PPAPI_CPP_PRIVATE_FLASH_FILE_H_