Hook LocalFontFaceSource into font whitelist

chromium_src/third_party/blink/renderer/core/css/local_font_face_source.cc

@@ -0,0 +1,28 @@
+/* Copyright (c) 2022 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "third_party/blink/renderer/core/css/local_font_face_source.h"
+
+#include "third_party/blink/renderer/core/execution_context/execution_context.h"
+
+#define IsLocalFontAvailable IsLocalFontAvailable_ChromiumImpl
+
+#include "src/third_party/blink/renderer/core/css/local_font_face_source.cc"
+
+#undef IsLocalFontAvailable
+
+namespace blink {
+
+bool LocalFontFaceSource::IsLocalFontAvailable(
+    const FontDescription& font_description) const {
+  if (!brave::AllowFontFamily(font_selector_->GetExecutionContext(),
+                              font_name_)) {
+    return false;
+  }
+
+  return IsLocalFontAvailable_ChromiumImpl(font_description);
+}
+
+}  // namespace blink

chromium_src/third_party/blink/renderer/core/css/local_font_face_source.h

@@ -0,0 +1,19 @@
+/* Copyright (c) 2022 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef BRAVE_CHROMIUM_SRC_THIRD_PARTY_BLINK_RENDERER_CORE_CSS_LOCAL_FONT_FACE_SOURCE_H_
+#define BRAVE_CHROMIUM_SRC_THIRD_PARTY_BLINK_RENDERER_CORE_CSS_LOCAL_FONT_FACE_SOURCE_H_
+
+#include "third_party/blink/renderer/core/css/css_font_face_source.h"
+
+#define IsLocalFontAvailable                                       \
+  IsLocalFontAvailable_ChromiumImpl(const FontDescription&) const; \
+  bool IsLocalFontAvailable
+
+#include "src/third_party/blink/renderer/core/css/local_font_face_source.h"
+
+#undef IsLocalFontAvailable
+
+#endif  // BRAVE_CHROMIUM_SRC_THIRD_PARTY_BLINK_RENDERER_CORE_CSS_LOCAL_FONT_FACE_SOURCE_H_