From 4eba68c8bf4106a25b21d7e1c21fe7979706a3b3 Mon Sep 17 00:00:00 2001
From: Iris Hsiao <ihsiao@mozilla.com>
Date: Fri, 22 Jul 2016 12:06:09 +0800
Subject: [PATCH] Backed out changeset 1894b74b8931 (bug 1278198)

---
 .../gmp/widevine-adapter/WidevineFileIO.cpp   | 97 -------------------
 .../gmp/widevine-adapter/WidevineFileIO.h     | 46 ---------
 dom/media/gmp/widevine-adapter/moz.build      |  1 -
 3 files changed, 144 deletions(-)
 delete mode 100644 dom/media/gmp/widevine-adapter/WidevineFileIO.cpp
 delete mode 100644 dom/media/gmp/widevine-adapter/WidevineFileIO.h

diff --git a/dom/media/gmp/widevine-adapter/WidevineFileIO.cpp b/dom/media/gmp/widevine-adapter/WidevineFileIO.cpp
deleted file mode 100644
index b5fb1d705cee..000000000000
--- a/dom/media/gmp/widevine-adapter/WidevineFileIO.cpp
+++ /dev/null
@@ -1,97 +0,0 @@
-#include "WidevineFileIO.h"
-#include "WidevineUtils.h"
-#include "WidevineAdapter.h"
-
-using namespace cdm;
-
-namespace mozilla {
-
-void
-WidevineFileIO::Open(const char* aFilename, uint32_t aFilenameLength)
-{
-  mName = std::string(aFilename, aFilename + aFilenameLength);
-  GMPRecord* record = nullptr;
-  GMPErr err = GMPCreateRecord(aFilename, aFilenameLength, &record, static_cast<GMPRecordClient*>(this));
-  if (GMP_FAILED(err)) {
-    Log("WidevineFileIO::Open() '%s' GMPCreateRecord failed", mName.c_str());
-    mClient->OnOpenComplete(FileIOClient::kError);
-    return;
-  }
-  if (GMP_FAILED(record->Open())) {
-    Log("WidevineFileIO::Open() '%s' record open failed", mName.c_str());
-    mClient->OnOpenComplete(FileIOClient::kError);
-    return;
-  }
-
-  Log("WidevineFileIO::Open() '%s'", mName.c_str());
-  mRecord = record;
-}
-
-void
-WidevineFileIO::Read()
-{
-  if (!mRecord) {
-    Log("WidevineFileIO::Read() '%s' used uninitialized!", mName.c_str());
-    mClient->OnReadComplete(FileIOClient::kError, nullptr, 0);
-    return;
-  }
-  Log("WidevineFileIO::Read() '%s'", mName.c_str());
-  mRecord->Read();
-}
-
-void
-WidevineFileIO::Write(const uint8_t* aData, uint32_t aDataSize)
-{
-  if (!mRecord) {
-    Log("WidevineFileIO::Write() '%s' used uninitialized!", mName.c_str());
-    mClient->OnWriteComplete(FileIOClient::kError);
-    return;
-  }
-  mRecord->Write(aData, aDataSize);
-}
-
-void
-WidevineFileIO::Close()
-{
-  Log("WidevineFileIO::Close() '%s'", mName.c_str());
-  if (mRecord) {
-    mRecord->Close();
-    mRecord = nullptr;
-  }
-  delete this;
-}
-
-static FileIOClient::Status
-GMPToWidevineFileStatus(GMPErr aStatus)
-{
-  switch (aStatus) {
-    case GMPRecordInUse: return FileIOClient::kInUse;
-    case GMPNoErr: return FileIOClient::kSuccess;
-    default: return FileIOClient::kError;
-  }
-}
-
-void
-WidevineFileIO::OpenComplete(GMPErr aStatus)
-{
-  Log("WidevineFileIO::OpenComplete() '%s' status=%d", mName.c_str(), aStatus);
-  mClient->OnOpenComplete(GMPToWidevineFileStatus(aStatus));
-}
-
-void
-WidevineFileIO::ReadComplete(GMPErr aStatus,
-                             const uint8_t* aData,
-                             uint32_t aDataSize)
-{
-  Log("WidevineFileIO::OnReadComplete() '%s' status=%d", mName.c_str(), aStatus);
-  mClient->OnReadComplete(GMPToWidevineFileStatus(aStatus), aData, aDataSize);
-}
-
-void
-WidevineFileIO::WriteComplete(GMPErr aStatus)
-{
-  Log("WidevineFileIO::WriteComplete() '%s' status=%d", mName.c_str(), aStatus);
-  mClient->OnWriteComplete(GMPToWidevineFileStatus(aStatus));
-}
-
-} // namespace mozilla
diff --git a/dom/media/gmp/widevine-adapter/WidevineFileIO.h b/dom/media/gmp/widevine-adapter/WidevineFileIO.h
deleted file mode 100644
index 63003d9b602f..000000000000
--- a/dom/media/gmp/widevine-adapter/WidevineFileIO.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
-* License, v. 2.0. If a copy of the MPL was not distributed with this
-* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef WidevineFileIO_h_
-#define WidevineFileIO_h_
-
-#include <stddef.h>
-#include "content_decryption_module.h"
-#include "gmp-api/gmp-storage.h"
-#include <string>
-
-namespace mozilla {
-
-class WidevineFileIO : public cdm::FileIO
-                     , public GMPRecordClient
-{
-public:
-  explicit WidevineFileIO(cdm::FileIOClient* aClient)
-    : mClient(aClient)
-    , mRecord(nullptr)
-  {}
-
-  // cdm::FileIO
-  void Open(const char* aFilename, uint32_t aFilenameLength) override;
-  void Read() override;
-  void Write(const uint8_t* aData, uint32_t aDataSize) override;
-  void Close() override;
-
-  // GMPRecordClient
-  void OpenComplete(GMPErr aStatus) override;
-  void ReadComplete(GMPErr aStatus,
-                    const uint8_t* aData,
-                    uint32_t aDataSize) override;
-  void WriteComplete(GMPErr aStatus) override;
-
-private:
-  cdm::FileIOClient* mClient;
-  GMPRecord* mRecord;
-  std::string mName;
-};
-
-} // namespace mozilla
-
-#endif // WidevineFileIO_h_
\ No newline at end of file
diff --git a/dom/media/gmp/widevine-adapter/moz.build b/dom/media/gmp/widevine-adapter/moz.build
index b84bca407053..54fe48309fd3 100644
--- a/dom/media/gmp/widevine-adapter/moz.build
+++ b/dom/media/gmp/widevine-adapter/moz.build
@@ -7,7 +7,6 @@
 SOURCES += [
     'WidevineAdapter.cpp',
     'WidevineDecryptor.cpp',
-    'WidevineFileIO.cpp',
     'WidevineUtils.cpp',
     'WidevineVideoDecoder.cpp',
     'WidevineVideoFrame.cpp',