Revert of [Mojo Video Capture] Adapt video_capture service to refactored video capture stack

media/capture/video/shared_memory_buffer_handle.cc

Index: media/capture/video/shared_memory_buffer_handle.cc
diff --git a/media/capture/video/shared_memory_buffer_handle.cc b/media/capture/video/shared_memory_buffer_handle.cc
deleted file mode 100644
index 8814697ee5b940779ee035fef82ca7ccd4ac4e4f..0000000000000000000000000000000000000000
--- a/media/capture/video/shared_memory_buffer_handle.cc
+++ /dev/null
@@ -1,31 +0,0 @@
-// Copyright 2016 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/capture/video/shared_memory_buffer_handle.h"
-
-#include "base/memory/ptr_util.h"
-#include "mojo/public/cpp/system/platform_handle.h"
-
-namespace media {
-
-SharedMemoryBufferHandle::SharedMemoryBufferHandle(
-    base::SharedMemory* shared_memory,
-    size_t mapped_size)
-    : shared_memory_(shared_memory), mapped_size_(mapped_size) {}
-
-SharedMemoryBufferHandle::~SharedMemoryBufferHandle() = default;
-
-size_t SharedMemoryBufferHandle::mapped_size() const {
-  return mapped_size_;
-}
-
-uint8_t* SharedMemoryBufferHandle::data() const {
-  return static_cast<uint8_t*>(shared_memory_->memory());
-}
-
-const uint8_t* SharedMemoryBufferHandle::const_data() const {
-  return static_cast<const uint8_t*>(shared_memory_->memory());
-}
-
-}  // namespace media