Update the roll script to handle transitive dependencies

Fixed: 457847498, 457847888, 457847738
Change-Id: I63cea3fce2b89b132d2019a73214a7061069e42c
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/7207546
Auto-Submit: Alex Rudenko <alexrudenko@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>

Author: OrKoN

front_end/third_party/puppeteer/third_party/mitt/README.chromium

@@ -1,6 +1,7 @@
 Name: mitt
 Short Name: mitt
 URL: https://github.com/developit/mitt
+Version: 3.0.1
 License: MIT
 License File: LICENSE
 Security Critical: no

front_end/third_party/puppeteer/third_party/parsel/README.chromium

@@ -1,6 +1,7 @@
 Name: parsel
 Short Name: parsel
 URL: https://github.com/LeaVerou/parsel
+Version: 1.2.2
 License: MIT
 License File: LICENSE
 Security Critical: no

front_end/third_party/puppeteer/third_party/rxjs/README.chromium

@@ -1,6 +1,7 @@
 Name: rxjs
 Short Name: rxjs
 URL: https://github.com/ReactiveX/rxjs
+Version: 7.8.2
 License: Apache-2.0
 License File: LICENSE
 Security Critical: no

scripts/deps/roll_front_end_third_party.py

@@ -190,6 +190,19 @@ def main():
         revision=package_json['gitHead'],
     )
 
+    # Update README.chromium for puppeteer-core transitive dependencies.
+    if package_name == 'puppeteer-core':
+        dependencies = package_json.get('devDependencies', {})
+        for dep_name in ['mitt', 'parsel-js', 'rxjs']:
+            if dep_name in dependencies:
+                version = dependencies[dep_name].lstrip('^~')
+                # parsel-js has a different folder in devtools tree.
+                if dep_name == 'parsel-js':
+                    dep_name = 'parsel'
+                update_readme_chromium(
+                    f'./front_end/third_party/puppeteer/third_party/{dep_name}/README.chromium',
+                    version=version)
+
     tar.close()
 
     subprocess.check_call(['git', 'cl', 'format'], cwd=DEVTOOLS_PATH)