Pepper: Nexe downloading out of the trusted plugin.

ppapi/api/private/ppb_nacl_private.idl

Index: ppapi/api/private/ppb_nacl_private.idl
diff --git a/ppapi/api/private/ppb_nacl_private.idl b/ppapi/api/private/ppb_nacl_private.idl
index ce4719f2efc1333ad4d513d347890fd3137420ed..aefc6dcfc898c1e642bb60dd4835a1c1aee294a2 100644
--- a/ppapi/api/private/ppb_nacl_private.idl
+++ b/ppapi/api/private/ppb_nacl_private.idl
@@ -301,19 +301,6 @@ interface PPB_NaCl_Private {
                      [in] uint64_t loaded_bytes,
                      [in] uint64_t total_bytes);
 
-  /* Report that the attempt to open the nexe has finished. Opening the file
-   * may have failed, as indicated by a pp_error value that is not PP_OK or an
-   * fd of -1. Failure to stat the file to determine its length results in
-   * nexe_bytes_read being -1.
-   */
-  void NexeFileDidOpen([in] PP_Instance instance,
-                       [in] int32_t pp_error,
-                       [in] int32_t fd,
-                       [in] int32_t http_status,
-                       [in] int64_t nexe_bytes_read,
-                       [in] str_t url,
-                       [in] int64_t time_since_open);
-
   /* Report that the nexe loaded successfully. */
   void ReportLoadSuccess([in] PP_Instance instance,
                          [in] str_t url,
@@ -440,4 +427,11 @@ interface PPB_NaCl_Private {
    */
   void PostMessageToJavaScript([in] PP_Instance instance,
                                [in] str_t message);
+
+  /* Downloads the .nexe file at the given URL to a file, and sets |handle|
+   * to a handle to a file containing its contents. */
+  void DownloadNexe([in] PP_Instance instance,
+                    [in] str_t url,
+                    [out] PP_FileHandle handle,
+                    [in] PP_CompletionCallback callback);
 };