diff -up chromium-80.0.3987.106/chrome/browser/search/background/ntp_backgrounds.h.missing-cstddef chromium-80.0.3987.106/chrome/browser/search/background/ntp_backgrounds.h
--- chromium-80.0.3987.106/chrome/browser/search/background/ntp_backgrounds.h.missing-cstddef 2020-02-18 08:42:38.088243182 -0500
+++ chromium-80.0.3987.106/chrome/browser/search/background/ntp_backgrounds.h 2020-02-18 08:42:59.679782858 -0500
@@ -6,6 +6,7 @@
#define CHROME_BROWSER_SEARCH_BACKGROUND_NTP_BACKGROUNDS_H_
#include <array>
+#include <cstddef>
class GURL;
diff -up chromium-80.0.3987.106/media/cdm/supported_cdm_versions.h.missing-cstddef chromium-80.0.3987.106/media/cdm/supported_cdm_versions.h
--- chromium-80.0.3987.106/media/cdm/supported_cdm_versions.h.missing-cstddef 2020-02-17 16:26:51.661246220 -0500
+++ chromium-80.0.3987.106/media/cdm/supported_cdm_versions.h 2020-02-17 16:26:51.662246200 -0500
@@ -6,6 +6,7 @@
#define MEDIA_CDM_SUPPORTED_CDM_VERSIONS_H_
#include <array>
+#include <cstddef>
#include "media/base/media_export.h"
#include "media/cdm/api/content_decryption_module.h"
diff -up chromium-80.0.3987.106/third_party/angle/include/platform/Platform.h.missing-cstddef chromium-80.0.3987.106/third_party/angle/include/platform/Platform.h
--- chromium-80.0.3987.106/third_party/angle/include/platform/Platform.h.missing-cstddef 2020-02-17 16:26:07.433130572 -0500
+++ chromium-80.0.3987.106/third_party/angle/include/platform/Platform.h 2020-02-17 16:26:07.434130552 -0500
@@ -11,6 +11,7 @@
#include <stdint.h>
#include <array>
+#include <cstddef>
#define EGL_PLATFORM_ANGLE_PLATFORM_METHODS_ANGLEX 0x3482
diff -up chromium-80.0.3987.106/third_party/webrtc/modules/audio_processing/aec3/clockdrift_detector.h.missing-cstddef chromium-80.0.3987.106/third_party/webrtc/modules/audio_processing/aec3/clockdrift_detector.h
--- chromium-80.0.3987.106/third_party/webrtc/modules/audio_processing/aec3/clockdrift_detector.h.missing-cstddef 2020-02-17 16:23:41.385050827 -0500
+++ chromium-80.0.3987.106/third_party/webrtc/modules/audio_processing/aec3/clockdrift_detector.h 2020-02-17 16:23:41.368051167 -0500
@@ -12,6 +12,7 @@
#define MODULES_AUDIO_PROCESSING_AEC3_CLOCKDRIFT_DETECTOR_H_
#include <array>
+#include <cstddef>
namespace webrtc {