media: Enable logging for mojo services in run_mojo_media_renderer.py.

media/mojo/scripts/run_mojo_media_renderer.py

 #!/usr/bin/env python
 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # The script follows mojo/services/html_viewer/view_url.py and modified it for
 # test the mojo media renderer. The page will be rendered in a headless mode.
 #
 # TODO(xhwang): Explore the possibility of running this with the Kiosk window
 # manager. See http://crbug.com/467176
@@ skipping 12 matching lines @@
         os.pardir))
 
 def _BuildShellCommand(args):
   sdk_version = subprocess.check_output(["cat",
       "third_party/mojo/src/mojo/public/VERSION"], cwd=root_path)
   build_dir = os.path.join(root_path, args.build_dir)
 
   shell_command = [os.path.join(build_dir, "mojo_shell")]
 
   options = []
+
   options.append(
       "--origin=https://storage.googleapis.com/mojo/services/linux-x64/%s" %
            sdk_version)
   options.append("--url-mappings=mojo:html_viewer=file://%s/html_viewer.mojo,"
                  "mojo:media=file://%s/media.mojo" % (build_dir, build_dir))
+
   args_for_html_viewer = "--enable-mojo-media-renderer --is-headless "
   if args.verbose:
     args_for_html_viewer += \
         "--vmodule=pipeline*=3,*renderer_impl*=3,*mojo_demuxer*=3"
   options.append("--args-for=mojo:html_viewer %s" % args_for_html_viewer)
 
+  if args.verbose:
+    args_for_media = "--vmodule=mojo*service=3"
+    options.append("--args-for=mojo:media %s" % args_for_media)
+
   full_command = shell_command + options + [args.url]
 
   if args.verbose:
     print full_command
 
   return full_command
 
 def main():
   parser = argparse.ArgumentParser(
       description="View a URL with HTMLViewer with mojo media renderer. "
                   "You must have built //mojo/services/html_viewer, "
                   "//mojo/services/network and //media/mojo/services first. "
                   " Note that this will currently often fail spectacularly due "
                   " to lack of binary stability in Mojo.")
   parser.add_argument(
       "--build-dir",
       help="Path to the dir containing the linux-x64 binaries relative to the "
            "repo root (default: %(default)s)",
       default="out/Release")
   parser.add_argument("--verbose", help="Increase output verbosity.",
                       action="store_true")
   parser.add_argument("url",
                       help="The URL to be viewed")
 
   args = parser.parse_args()
   return subprocess.call(_BuildShellCommand(args))
 
 if __name__ == '__main__':
   sys.exit(main())