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Diffstat (limited to 'chromium/media/cdm/cdm_host_file.cc')
-rw-r--r--chromium/media/cdm/cdm_host_file.cc5
1 files changed, 5 insertions, 0 deletions
diff --git a/chromium/media/cdm/cdm_host_file.cc b/chromium/media/cdm/cdm_host_file.cc
index 839dc5784f5..e4ad487d1f4 100644
--- a/chromium/media/cdm/cdm_host_file.cc
+++ b/chromium/media/cdm/cdm_host_file.cc
@@ -8,7 +8,9 @@
#include "base/command_line.h"
#include "base/feature_list.h"
+#include "base/files/file_util.h"
#include "base/logging.h"
+#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "media/cdm/api/content_decryption_module_ext.h"
@@ -36,6 +38,9 @@ std::unique_ptr<CdmHostFile> CdmHostFile::Create(
DVLOG(1) << " " << sig_file.IsValid() << ": "
<< sig_file_path.MaybeAsASCII();
+ // Preread file at |file_path| for better performance.
+ ignore_result(PreReadFile(file_path, /*is_executable=*/false));
+
return std::unique_ptr<CdmHostFile>(
new CdmHostFile(file_path, std::move(file), std::move(sig_file)));
}