Remove uses of Options from pkg, samples, tests, and third_party directories.

samples/build_dart/build.dart

Index: samples/build_dart/build.dart
diff --git a/samples/build_dart/build.dart b/samples/build_dart/build.dart
index 07817b5dfdaf0dc0759468c768cdfdd2cce8a958..d2def22770ef5dd4007ccb3b1db41fa96084c041 100644
--- a/samples/build_dart/build.dart
+++ b/samples/build_dart/build.dart
@@ -21,8 +21,8 @@ List<String> removedFiles;
  * See the source code of [processArgs] for information about the legal command
  * line options.
  */
-void main() {
-  processArgs();
+void main(List<String> arguments) {
+  processArgs(arguments);
 
   if (cleanBuild) {
     handleCleanCommand();
@@ -40,7 +40,7 @@ void main() {
 /**
  * Handle --changed, --removed, --clean, --full, and --help command-line args.
  */
-void processArgs() {
+void processArgs(List<String> arguments) {
   var parser = new ArgParser();
   parser.addOption("changed", help: "the file has changed since the last build",
       allowMultiple: true);
@@ -52,7 +52,7 @@ void processArgs() {
     negatable: false, help: "produce warnings in a machine parseable format");
   parser.addFlag("help", negatable: false, help: "display this help and exit");
 
-  var args = parser.parse(new Options().arguments);
+  var args = parser.parse(arguments);
 
   if (args["help"]) {
     print(parser.getUsage());