bindings: Add missing entry of double_or_css_numeric_value.h

The BUILD setting of generated union is missing a header file
and it's making some of builds unstable.  Adds the missing header.

Change-Id: Ie49c820dccc7357dd4227096ea0ff234ac6ee7fb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2010594
Commit-Queue: Yuki Shiino <yukishiino@chromium.org>
Reviewed-by: Hitoshi Yoshida <peria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#733354}

third_party/blink/renderer/bindings/core/v8/generated.gni

@@ -27,10 +27,11 @@ bindings_core_generated_union_type_files = [
   "$bindings_core_v8_output_dir/double_or_auto_keyword.cc",
   "$bindings_core_v8_output_dir/double_or_auto_keyword.h",
   "$bindings_core_v8_output_dir/double_or_css_numeric_value.cc",
-  "$bindings_core_v8_output_dir/double_or_double_sequence.cc",
-  "$bindings_core_v8_output_dir/double_or_double_sequence.h",
+  "$bindings_core_v8_output_dir/double_or_css_numeric_value.h",
   "$bindings_core_v8_output_dir/double_or_double_or_null_sequence.cc",
   "$bindings_core_v8_output_dir/double_or_double_or_null_sequence.h",
+  "$bindings_core_v8_output_dir/double_or_double_sequence.cc",
+  "$bindings_core_v8_output_dir/double_or_double_sequence.h",
   "$bindings_core_v8_output_dir/double_or_internal_enum.cc",
   "$bindings_core_v8_output_dir/double_or_internal_enum.h",
   "$bindings_core_v8_output_dir/double_or_scroll_timeline_auto_keyword.cc",
@@ -47,22 +48,22 @@ bindings_core_generated_union_type_files = [
   "$bindings_core_v8_output_dir/file_or_usv_string_or_form_data.h",
   "$bindings_core_v8_output_dir/float_or_string_element_record.cc",
   "$bindings_core_v8_output_dir/float_or_string_element_record.h",
+  "$bindings_core_v8_output_dir/html_collection_or_element.cc",
+  "$bindings_core_v8_output_dir/html_collection_or_element.h",
   "$bindings_core_v8_output_dir/html_element_or_long.cc",
   "$bindings_core_v8_output_dir/html_element_or_long.h",
-  "$bindings_core_v8_output_dir/image_bitmap_source.cc",
-  "$bindings_core_v8_output_dir/image_bitmap_source.h",
-  "$bindings_core_v8_output_dir/internal_enum_or_internal_enum_sequence.cc",
-  "$bindings_core_v8_output_dir/internal_enum_or_internal_enum_sequence.h",
   "$bindings_core_v8_output_dir/html_option_element_or_html_opt_group_element.cc",
   "$bindings_core_v8_output_dir/html_option_element_or_html_opt_group_element.h",
   "$bindings_core_v8_output_dir/html_script_element_or_svg_script_element.cc",
   "$bindings_core_v8_output_dir/html_script_element_or_svg_script_element.h",
-  "$bindings_core_v8_output_dir/node_list_or_element.cc",
-  "$bindings_core_v8_output_dir/node_list_or_element.h",
-  "$bindings_core_v8_output_dir/html_collection_or_element.cc",
-  "$bindings_core_v8_output_dir/html_collection_or_element.h",
+  "$bindings_core_v8_output_dir/image_bitmap_source.cc",
+  "$bindings_core_v8_output_dir/image_bitmap_source.h",
+  "$bindings_core_v8_output_dir/internal_enum_or_internal_enum_sequence.cc",
+  "$bindings_core_v8_output_dir/internal_enum_or_internal_enum_sequence.h",
   "$bindings_core_v8_output_dir/media_list_or_string.cc",
   "$bindings_core_v8_output_dir/media_list_or_string.h",
+  "$bindings_core_v8_output_dir/node_list_or_element.cc",
+  "$bindings_core_v8_output_dir/node_list_or_element.h",
   "$bindings_core_v8_output_dir/node_or_string_or_trusted_script.cc",
   "$bindings_core_v8_output_dir/node_or_string_or_trusted_script.h",
   "$bindings_core_v8_output_dir/radio_node_list_or_element.cc",
@@ -99,16 +100,16 @@ bindings_core_generated_union_type_files = [
   "$bindings_core_v8_output_dir/string_or_worker_options.h",
   "$bindings_core_v8_output_dir/string_treat_null_as_empty_string_or_trusted_script.cc",
   "$bindings_core_v8_output_dir/string_treat_null_as_empty_string_or_trusted_script.h",
-  "$bindings_core_v8_output_dir/usv_string_sequence_sequence_or_usv_string_usv_string_record_or_usv_string.cc",
-  "$bindings_core_v8_output_dir/usv_string_sequence_sequence_or_usv_string_usv_string_record_or_usv_string.h",
+  "$bindings_core_v8_output_dir/uint8_clamped_array_or_uint16_array_or_float32_array.cc",
+  "$bindings_core_v8_output_dir/uint8_clamped_array_or_uint16_array_or_float32_array.h",
   "$bindings_core_v8_output_dir/unrestricted_double_or_keyframe_animation_options.cc",
   "$bindings_core_v8_output_dir/unrestricted_double_or_keyframe_animation_options.h",
   "$bindings_core_v8_output_dir/unrestricted_double_or_keyframe_effect_options.cc",
   "$bindings_core_v8_output_dir/unrestricted_double_or_keyframe_effect_options.h",
   "$bindings_core_v8_output_dir/unrestricted_double_or_string.cc",
   "$bindings_core_v8_output_dir/unrestricted_double_or_string.h",
-  "$bindings_core_v8_output_dir/uint8_clamped_array_or_uint16_array_or_float32_array.cc",
-  "$bindings_core_v8_output_dir/uint8_clamped_array_or_uint16_array_or_float32_array.h",
+  "$bindings_core_v8_output_dir/usv_string_sequence_sequence_or_usv_string_usv_string_record_or_usv_string.cc",
+  "$bindings_core_v8_output_dir/usv_string_sequence_sequence_or_usv_string_usv_string_record_or_usv_string.h",
   "$bindings_core_v8_output_dir/video_track_or_audio_track_or_text_track.cc",
   "$bindings_core_v8_output_dir/video_track_or_audio_track_or_text_track.h",
 ]