Pepper: Delete FileDownloader in trusted plugin.

ppapi/api/private/ppp_pexe_stream_handler.idl

+/* Copyright (c) 2014 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. */
+
+#inline c
+#include "ppapi/c/private/pp_file_handle.h"
+#endinl
+
+label Chrome {
+  M25 = 1.0

[dmichael (off chromium), 2014/07/17 16:13:21]

I'm assuming this is hand-rolled? It doesn't really matter, but it would be more
accurate to say M38 I think

[teravest, 2014/07/21 18:33:21]

ppb_nacl_private_impl.idl is versioned at M25. I could bump them both to M38, I
suppose, but it doesn't really matter, because neither of these are normal
versioned interfaces.

[dmichael (off chromium), 2014/07/21 19:49:22]

I think in theory both should be bumped, but yeah, doesn't actually matter.
We've not been bothering with it up to now, so ignore my comment.

+};
+
+interface PPP_PexeStreamHandler {
+  /**
+   * Invoked as a result of a cache hit for a translated pexe.
+   */
+  void DidCacheHit([inout] mem_t user_data,
+                   [in] PP_FileHandle nexe_file_handle);
+
+  /**
+   * Invoked as a result of a cache miss for a translated pexe.
+   * Provides the expected length of the pexe, as read from HTTP headers.
+   */
+  void DidCacheMiss([inout] mem_t user_data,
+                    [in] int64_t expected_total_length);
+
+  /**
+   * Invoked when a block of data has been downloaded.
+   * Only invoked after DidCacheMiss().
+   */
+  void DidStreamData([inout] mem_t user_data,
+                     [in] mem_t data,
+                     [in] int32_t length);
+
+  /**
+   * Invoked when the stream has finished downloading, regardless of whether it
+   * succeeded. Not invoked if DidCacheHit() was called.
+   */
+  void DidFinishStream([inout] mem_t user_data,
+                       [in] int32_t pp_error);
+};