Frog now called directly in dartdoc

frog/minfrogc.dart

Index: frog/minfrogc.dart
diff --git a/frog/minfrogc.dart b/frog/minfrogc.dart
index 70af32ae053da61b3843c2675a3509e9e83030ec..421cbb6fe865fb3d54fb376f255321bf5447be8a 100644
--- a/frog/minfrogc.dart
+++ b/frog/minfrogc.dart
@@ -10,7 +10,13 @@
 
 main() {
   List<String> argv = (new Options()).arguments;
+  if (!internalMain(argv)) {
+    print("Compilation failed");
+    exit(1);
+  }
+}
 
+bool internalMain(List<String> argv) {
   // Infer --out if there is none defined.
   var outFileDefined = false;
   for (var arg in argv) {
@@ -29,8 +35,5 @@ main() {
   // run from '.'
   var homedir = (new File('.')).fullPathSync();
 
-  if (!compile(homedir, argv, new VMFileSystem())) {
-    print("Compilation failed");
-    exit(1);
-  }
-}
+  return compile(homedir, argv, new VMFileSystem());
+}