bindings: Update GN list of generated files

Bug: 839389
Change-Id: I4699c69b30b9879df0d04e123d247c19231ca31f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2156325Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Yuki Shiino <yukishiino@chromium.org>
Commit-Queue: Hitoshi Yoshida <peria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#760409}

third_party/blink/renderer/bindings/generated_in_core.gni

@@ -29,6 +29,8 @@ generated_enumeration_sources_in_core = [
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_direction_setting.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_document_ready_state.cc",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_document_ready_state.h",
+  "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_edge.cc",
+  "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_edge.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_edit_context_enter_key_hint.cc",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_edit_context_enter_key_hint.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_edit_context_input_mode.cc",