Add PPAPI interfaces for platform verification.

ppapi/c/ppb_file_system.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.
  */
 
-/* From ppb_file_system.idl modified Thu May  2 16:44:38 2013. */
+/* From ppb_file_system.idl modified Thu Jun 13 14:30:40 2013. */
 
 #ifndef PPAPI_C_PPB_FILE_SYSTEM_H_
 #define PPAPI_C_PPB_FILE_SYSTEM_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_file_info.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_resource.h"
@@ skipping 42 matching lines @@
   /**
    * Open() opens the file system. A file system must be opened before running
    * any other operation on it.
    *
    * @param[in] file_system A <code>PP_Resource</code> corresponding to a file
    * system.
    *
    * @param[in] expected_size The expected size of the file system. Note that
    * this does not request quota; to do that, you must either invoke
    * requestQuota from JavaScript:
-
-
-    * http://www.html5rocks.com/en/tutorials/file/filesystem/#toc-requesting-quota
+   * http://www.html5rocks.com/en/tutorials/file/filesystem/#toc-requesting-quota
    * or set the unlimitedStorage permission for Chrome Web Store apps:
    * http://code.google.com/chrome/extensions/manifest.html#permissions
    *
    * @param[in] callback A <code>PP_CompletionCallback</code> to be called upon
    * completion of Open().
    *
    * @return An int32_t containing an error code from <code>pp_errors.h</code>.
    */
   int32_t (*Open)(PP_Resource file_system,
                   int64_t expected_size,
@@ skipping 12 matching lines @@
   PP_FileSystemType (*GetType)(PP_Resource file_system);
 };
 
 typedef struct PPB_FileSystem_1_0 PPB_FileSystem;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PPB_FILE_SYSTEM_H_ */