action("generate_about_tracing") {
script = "trace_viewer/build/generate_about_tracing_contents"
- source_prereqs = tracing_html_files + tracing_css_files + tracing_js_files +
+ inputs = tracing_html_files + tracing_css_files + tracing_js_files +
tracing_img_files
outputs = [
"$output_resource_dir/about_tracing.js",