Add media::VideoEncodeAccelerator with WebRTC integration

media/filters/mock_gpu_video_decoder_factories.cc

Index: media/filters/mock_gpu_video_decoder_factories.cc
diff --git a/media/filters/mock_gpu_video_decoder_factories.cc b/media/filters/mock_gpu_video_decoder_factories.cc
deleted file mode 100644
index 9a16a802c9ddcab51d9b629931c89bb6ec584c9c..0000000000000000000000000000000000000000
--- a/media/filters/mock_gpu_video_decoder_factories.cc
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2013 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/filters/mock_gpu_video_decoder_factories.h"
-
-namespace media {
-
-MockGpuVideoDecoderFactories::MockGpuVideoDecoderFactories() {}
-
-MockGpuVideoDecoderFactories::~MockGpuVideoDecoderFactories() {}
-
-}  // namespace media