Revert "Use 'frog' in apidoc. Also fix broken dependencies."

dart/lib/dartdoc/dartdoc.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * To generate docs for a library, run this script with the path to an
  * entrypoint .dart file, like:
  *
  *     $ dart dartdoc.dart foo.dart
  *
@@ skipping 157 matching lines @@
   };
   fromDir.list(recursive: false);
 }
 
 /**
  * Compiles the given Dart script to a JavaScript file at [jsPath] using the
  * Dart-to-JS compiler located at [compilerPath].
  */
 void compileScript(String compilerPath, String libDir,
     String dartPath, String jsPath) {
-  onExit(int exitCode, String stdout, String stderr) {
-    if (exitCode != 0) {
-      final message = 'Non-zero exit code from $compilerPath';
-      print('$message.');
-      print(stdout);
-      print(stderr);
-      throw message;
-    }
-  }
-
-  onError(error) {
-    final message = 'Error trying to execute $compilerPath. Error: $error';
-    print('$message.');
-    throw message;
-  }
-
-  print('Compiling $dartPath to $jsPath');
-  new Process.run(compilerPath, [
+  final process = new Process.start(compilerPath, [
     '--libdir=$libDir', '--out=$jsPath',
     '--compile-only', '--enable-type-checks', '--warnings-as-errors',
-    dartPath], null, onExit).onError = onError;
+    dartPath]);
+
+  process.stdout.pipe(stdout, close: false);
+
+  process.onError = (error) {
+    print('Failed to compile $dartPath with $compilerPath. Error:');
+    print(error);
+  };
 }
 
 class Dartdoc {
 
   /** Set to `false` to not include the source code in the generated docs. */
   bool includeSource = true;
 
   /**
    * Dartdoc can generate docs in a few different ways based on how dynamic you
    * want the client-side behavior to be. The value for this should be one of
@@ skipping 1081 matching lines @@
 
     return new md.Element.text('code', name);
   }
 
   // TODO(rnystrom): Move into SourceSpan?
   int getSpanColumn(SourceSpan span) {
     final line = span.file.getLine(span.start);
     return span.file.getColumn(line, span.start);
   }
 }