Revert of media: add video capture device for ARC++ camera HAL v3

media/capture/video/chromeos/camera_metadata_utils.cc

-// Copyright 2017 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/chromeos/camera_metadata_utils.h"
-
-#include <set>
-
-namespace media {
-
-const arc::mojom::CameraMetadataEntryPtr* GetMetadataEntry(
-    const arc::mojom::CameraMetadataPtr& camera_metadata,
-    arc::mojom::CameraMetadataTag tag) {
-  if (!camera_metadata->entries.has_value()) {
-    return nullptr;
-  }
-  for (const auto& entry : camera_metadata->entries.value()) {
-    if (entry->tag == tag) {
-      return &entry;
-    }
-  }
-  return nullptr;
-}
-
-void MergeMetadata(arc::mojom::CameraMetadataPtr* to,
-                   const arc::mojom::CameraMetadataPtr& from) {
-  DCHECK(to);
-  (*to)->entry_count += from->entry_count;
-  (*to)->entry_capacity += from->entry_count;
-  (*to)->data_count += from->data_count;
-  (*to)->data_capacity += from->data_count;
-
-  if (!from->entries) {
-    return;
-  }
-
-  std::set<arc::mojom::CameraMetadataTag> tags;
-  if ((*to)->entries) {
-    for (const auto& entry : (*to)->entries.value()) {
-      tags.insert(entry->tag);
-    }
-  } else {
-    (*to)->entries = std::vector<arc::mojom::CameraMetadataEntryPtr>();
-  }
-  for (const auto& entry : from->entries.value()) {
-    if (tags.find(entry->tag) != tags.end()) {
-      LOG(ERROR) << "Found duplicated entries for tag " << entry->tag;
-      continue;
-    }
-    tags.insert(entry->tag);
-    (*to)->entries->push_back(entry->Clone());
-  }
-}
-
-}  // namespace media