Handle cache-control:no-store header in PNaCl translation cache

ppapi/api/private/ppb_nacl_private.idl

 /* 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.
  */
 
 /* This file contains NaCl private interfaces. This interface is not versioned
  * and is for internal Chrome use. It may change without notice. */
 
 label Chrome {
   M25 = 1.0
@@ skipping 88 matching lines @@
    * component directory, or an invalid handle on failure.
    */
   PP_FileHandle GetReadonlyPnaclFd([in] str_t filename);
 
   /* This creates a temporary file that will be deleted by the time
    * the last handle is closed (or earlier on POSIX systems), and
    * returns a posix handle to that temporary file.
    */
   PP_FileHandle CreateTemporaryFile([in] PP_Instance instance);
 
-  /* Create a temporary file, which will be deleted by the time the last
-   * handle is closed (or earlier on POSIX systems), to use for the nexe
-   * with the cache information given by |pexe_url|, |abi_version|, |opt_level|,
-   * |last_modified|, and |etag|. If the nexe is already present
-   * in the cache, |is_hit| is set to PP_TRUE and the contents of the nexe
-   * will be copied into the temporary file. Otherwise |is_hit| is set to
-   * PP_FALSE and the temporary file will be writeable.
-   * Currently the implementation is a stub, which always sets is_hit to false
-   * and calls the implementation of CreateTemporaryFile. In a subsequent CL
-   * it will call into the browser which will remember the association between
-   * the cache key and the fd, and copy the nexe into the cache after the
-   * translation finishes.
+  /* Create a temporary file, which will be deleted by the time the
+   * last handle is closed (or earlier on POSIX systems), to use for
+   * the nexe with the cache information given by |pexe_url|,
+   * |abi_version|, |opt_level|, |last_modified|, |etag|, and
+   * |has_no_store_header|. If the nexe is already present in the
+   * cache, |is_hit| is set to PP_TRUE and the contents of the nexe
+   * will be copied into the temporary file. Otherwise |is_hit| is set
+   * to PP_FALSE and the temporary file will be writeable.  Currently
+   * the implementation is a stub, which always sets is_hit to false
+   * and calls the implementation of CreateTemporaryFile. In a
+   * subsequent CL it will call into the browser which will remember
+   * the association between the cache key and the fd, and copy the
+   * nexe into the cache after the translation finishes.
    */
   int32_t GetNexeFd([in] PP_Instance instance,
                     [in] str_t pexe_url,
                     [in] uint32_t abi_version,
                     [in] uint32_t opt_level,
                     [in] str_t last_modified,
                     [in] str_t etag,
+                    [in] PP_Bool has_no_store_header,
                     [out] PP_Bool is_hit,
                     [out] PP_FileHandle nexe_handle,
                     [in] PP_CompletionCallback callback);
 
   /* Report to the browser that translation of the pexe for |instance|
    * has finished, or aborted with an error. If |success| is true, the
    * browser may then store the translation in the cache. The renderer
    * must first have called GetNexeFd for the same instance. (The browser is
    * not guaranteed to store the nexe even if |success| is true; if there is
    * an error on the browser side, or the file is too big for the cache, or
@@ skipping 17 matching lines @@
 
   /* Opens a NaCl executable file in the application's extension directory
    * corresponding to the file URL and returns a file descriptor, or an invalid
    * handle on failure. |metadata| is left unchanged on failure.
    */
   PP_FileHandle OpenNaClExecutable([in] PP_Instance instance,
                                    [in] str_t file_url,
                                    [out] uint64_t file_token_lo,
                                    [out] uint64_t file_token_hi);
 };