Make MediaSession available on Desktop

content/common/media/media_metadata_sanitizer.cc

Index: content/common/media/media_metadata_sanitizer.cc
diff --git a/content/common/media/media_metadata_sanitizer.cc b/content/common/media/media_metadata_sanitizer.cc
deleted file mode 100644
index 16f548179d8ebb9e8688ad79269c7110d63c7004..0000000000000000000000000000000000000000
--- a/content/common/media/media_metadata_sanitizer.cc
+++ /dev/null
@@ -1,110 +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 "content/common/media/media_metadata_sanitizer.h"
-
-#include <algorithm>
-#include <string>
-
-#include "content/public/common/media_metadata.h"
-
-namespace content {
-
-namespace {
-
-// Maximum length for all the strings inside the MediaMetadata when it is sent
-// over IPC. The renderer process should truncate the strings before sending
-// the MediaMetadata and the browser process must do the same when receiving
-// it.
-const size_t kMaxIPCStringLength = 4 * 1024;
-
-// Maximum type length of Artwork, which conforms to RFC 4288
-// (https://tools.ietf.org/html/rfc4288).
-const size_t kMaxArtworkTypeLength = 2 * 127 + 1;
-
-// Maximum number of artwork images inside the MediaMetadata.
-const size_t kMaxNumberOfArtworkImages = 10;
-
-// Maximum of sizes in an artwork image.
-const size_t kMaxNumberOfArtworkSizes = 10;
-
-bool CheckArtworkSrcSanity(const GURL& src) {
-  if (!src.is_valid())
-    return false;
-  if (!src.SchemeIsHTTPOrHTTPS() && !src.SchemeIs(url::kDataScheme))
-    return false;
-  if (src.spec().size() > url::kMaxURLChars)
-    return false;
-
-  return true;
-}
-
-bool CheckArtworkSanity(const MediaMetadata::Artwork& artwork) {
-  if (!CheckArtworkSrcSanity(artwork.src))
-    return false;
-  if (artwork.type.size() > kMaxArtworkTypeLength)
-    return false;
-  if (artwork.sizes.size() > kMaxNumberOfArtworkSizes)
-    return false;
-
-  return true;
-}
-
-// Sanitize artwork. The method should not be called if |artwork.src| is bad.
-MediaMetadata::Artwork SanitizeArtwork(const MediaMetadata::Artwork& artwork) {
-  MediaMetadata::Artwork sanitized_artwork;
-
-  sanitized_artwork.src = artwork.src;
-  sanitized_artwork.type = artwork.type.substr(0, kMaxArtworkTypeLength);
-  for (const auto& size : artwork.sizes) {
-    sanitized_artwork.sizes.push_back(size);
-    if (sanitized_artwork.sizes.size() == kMaxNumberOfArtworkSizes)
-      break;
-  }
-
-  return sanitized_artwork;
-}
-
-}  // anonymous namespace
-
-bool MediaMetadataSanitizer::CheckSanity(const MediaMetadata& metadata) {
-  if (metadata.title.size() > kMaxIPCStringLength)
-    return false;
-  if (metadata.artist.size() > kMaxIPCStringLength)
-    return false;
-  if (metadata.album.size() > kMaxIPCStringLength)
-    return false;
-  if (metadata.artwork.size() > kMaxNumberOfArtworkImages)
-    return false;
-
-  for (const auto& artwork : metadata.artwork) {
-    if (!CheckArtworkSanity(artwork))
-        return false;
-  }
-
-  return true;
-}
-
-MediaMetadata MediaMetadataSanitizer::Sanitize(const MediaMetadata& metadata) {
-  MediaMetadata sanitized_metadata;
-
-  sanitized_metadata.title = metadata.title.substr(0, kMaxIPCStringLength);
-  sanitized_metadata.artist = metadata.artist.substr(0, kMaxIPCStringLength);
-  sanitized_metadata.album = metadata.album.substr(0, kMaxIPCStringLength);
-
-  for (const auto& artwork : metadata.artwork) {
-    if (!CheckArtworkSrcSanity(artwork.src))
-      continue;
-
-    sanitized_metadata.artwork.push_back(
-        CheckArtworkSanity(artwork) ? artwork : SanitizeArtwork(artwork));
-
-    if (sanitized_metadata.artwork.size() == kMaxNumberOfArtworkImages)
-      break;
-  }
-
-  return sanitized_metadata;
-}
-
-}  // namespace content