Updated to arc-runtime-54.5021.648.0
diff --git a/src/build/DEPS.chrome b/src/build/DEPS.chrome
index b4485a7..e340917 100644
--- a/src/build/DEPS.chrome
+++ b/src/build/DEPS.chrome
@@ -1 +1 @@
-509062
+514103
diff --git a/third_party/chromium-ppapi b/third_party/chromium-ppapi
index 933a8ea..996d9b1 160000
--- a/third_party/chromium-ppapi
+++ b/third_party/chromium-ppapi
@@ -1 +1 @@
-Subproject commit 933a8ea23eed36537593990fe4c5f77a17c9834d
+Subproject commit 996d9b188fc8d6987fc1129e93aebd8c3ef89635