bind-gen: Update generated file list

ScrollTimelineElementBasedOffset is now IDL dictionary, not IDL
interface.

Bug: 839389
Change-Id: I9e8705476d1ad9aaa844b3a372eb3717dc7db3ad
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2134035Reviewed-by: Hitoshi Yoshida <peria@chromium.org>
Commit-Queue: Yuki Shiino <yukishiino@chromium.org>
Cr-Commit-Position: refs/heads/master@{#756599}

third_party/blink/renderer/bindings/generated_in_core.gni

@@ -720,8 +720,6 @@ generated_interface_sources_in_core = [
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_scroll_state.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_scroll_timeline.cc",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_scroll_timeline.h",
-  "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_scroll_timeline_element_based_offset.cc",
-  "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_scroll_timeline_element_based_offset.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_security_policy_violation_event.cc",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_security_policy_violation_event.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_selection.cc",
@@ -734,8 +732,6 @@ generated_interface_sources_in_core = [
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_shared_worker_global_scope.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_static_range.cc",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_static_range.h",
-  "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_string_or_scroll_timeline_element_based_offset.cc",
-  "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_string_or_scroll_timeline_element_based_offset.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_style_media.cc",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_style_media.h",
   "$root_gen_dir/third_party/blink/renderer/bindings/core/v8/v8_style_property_map.cc",