Media bench add -hash, 64 bit IO, and some cleanup of dump

media/bench/file_protocol.cc

 // Copyright (c) 2009 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.
 
 #include "media/bench/file_protocol.h"
 
+#include <stdio.h>
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "media/filters/ffmpeg_common.h"
 
 namespace {
 
 FILE* ToFile(void* data) {
   return reinterpret_cast<FILE*>(data);
 }
 
@@ skipping 13 matching lines @@
   return fread(buf, 1, size, ToFile(h->priv_data));
 }
 
 int WriteContext(URLContext* h, unsigned char* buf, int size) {
   NOTIMPLEMENTED();
   return AVERROR_IO;
 }
 
 offset_t SeekContext(URLContext* h, offset_t offset, int whence) {
 #if defined(OS_WIN)
-  return _fseeki64(ToFile(h->priv_data), offset, whence);
+  return static_cast<offset_t> (_fseeki64(ToFile(h->priv_data),
+                                          static_cast<int64>(offset),
+                                          whence));
 #else
   return fseek(ToFile(h->priv_data), offset, whence);
 #endif
 }
 
 int CloseContext(URLContext* h) {
   if (file_util::CloseFile(ToFile(h->priv_data)))
     return 0;
   return AVERROR_IO;
 }
 
 }  // namespace
 
 URLProtocol kFFmpegFileProtocol = {
   "file",
   &OpenContext,
   &ReadContext,
   &WriteContext,
   &SeekContext,
   &CloseContext,
 };