Reland of Add a webrtc{en,de}coderfactory implementation for VideoToolbox

webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_nalu_unittest.cc

 /*
  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  *
  */
 
 #include <memory>
 
 #include "webrtc/base/arraysize.h"
-#include "webrtc/modules/video_coding/codecs/h264/h264_video_toolbox_nalu.h"
+#include "webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_nalu.h"
 #include "webrtc/test/gtest.h"
 
-#if defined(WEBRTC_VIDEO_TOOLBOX_SUPPORTED)
-
 namespace webrtc {
 
 static const uint8_t NALU_TEST_DATA_0[] = {0xAA, 0xBB, 0xCC};
 static const uint8_t NALU_TEST_DATA_1[] = {0xDE, 0xAD, 0xBE, 0xEF};
 
 TEST(H264VideoToolboxNaluTest, TestHasVideoFormatDescription) {
   const uint8_t sps_buffer[] = {0x00, 0x00, 0x00, 0x01, 0x27};
   EXPECT_TRUE(H264AnnexBBufferHasVideoFormatDescription(sps_buffer,
                                                         arraysize(sps_buffer)));
   const uint8_t aud_sps_buffer[] = {0x00, 0x00, 0x00, 0x01, 0x29, 0x10,
@@ skipping 167 matching lines @@
   memset(buffer.get(), 0, buffer_size);
   AvccBufferWriter writer(buffer.get(), buffer_size);
   EXPECT_EQ(buffer_size, writer.BytesRemaining());
   EXPECT_FALSE(writer.WriteNalu(NALU_TEST_DATA_0, arraysize(NALU_TEST_DATA_0)));
   EXPECT_EQ(buffer_size, writer.BytesRemaining());
   EXPECT_EQ(0,
             memcmp(expected_buffer, buffer.get(), arraysize(expected_buffer)));
 }
 
 }  // namespace webrtc
-
-#endif  // WEBRTC_VIDEO_TOOLBOX_SUPPORTED