Fix path to dart_style.

sdk/bin/dartfmt

 #!/bin/bash
 # Copyright (c) 2013, 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.
 
 # Run dart_style/bin/format.dart on the Dart VM. This script assumes the Dart
 # repo's directory structure.
 
 function follow_links() {
   file="$1"
   while [ -h "$file" ]; do
     # On Mac OS, readlink -f doesn't work.
     file="$(readlink "$file")"
   done
   echo "$file"
 }
 
 # Unlike $0, $BASH_SOURCE points to the absolute path of this file.
 PROG_NAME="$(follow_links "$BASH_SOURCE")"
 
 # Handle the case where dart-sdk/bin has been symlinked to.
 BIN_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
 SDK_DIR="$(cd "${BIN_DIR}/.." ; pwd -P)"
 
 DART="$BIN_DIR/dart"
 
 DART_ROOT="$(cd "${SDK_DIR}/.." ; pwd -P)"
 
-DARTFMT="$DART_ROOT/third_party/pkg/dart_style/bin/format.dart"
+DARTFMT="$DART_ROOT/third_party/pkg_tested/dart_style/bin/format.dart"
 
 if [ -z "$DART_CONFIGURATION" ];
 then
   DART_CONFIGURATION="ReleaseIA32"
 fi
 
 if [[ `uname` == 'Darwin' ]]; then
   BUILD_DIR="$DART_ROOT/xcodebuild/$DART_CONFIGURATION"
 else
   BUILD_DIR="$DART_ROOT/out/$DART_CONFIGURATION"
 fi
 
 PACKAGE_ROOT="$BUILD_DIR/packages/"
 
 exec "$DART" "--package-root=$PACKAGE_ROOT" "$DARTFMT" "$@"