Prune the old deploy code. This CL does a few changes:

pkg/polymer/lib/src/paths.dart

Index: pkg/polymer/lib/src/paths.dart
diff --git a/pkg/polymer/lib/src/paths.dart b/pkg/polymer/lib/src/paths.dart
deleted file mode 100644
index 34037d95fd4d818e806a40b18d7bccb9fbfd62af..0000000000000000000000000000000000000000
--- a/pkg/polymer/lib/src/paths.dart
+++ /dev/null
@@ -1,170 +0,0 @@
-// 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.
-
-/**
- * Holds path information that is used by the WebUI compiler to find files,
- * compute their output location and relative paths between them.
- */
-library polymer.src.paths;
-
-import 'info.dart' show UrlInfo;
-import 'messages.dart';
-import 'summary.dart';
-import 'utils.dart' show path, pathToUrl;
-
-/**
- * Stores information about paths and computes mappings between input and output
- * path locations.
- */
-class PathMapper {
-  /**
-   * Common prefix to all input paths that are read from the file system. The
-   * output generated by the compiler will reflect the directory structure
-   * starting from [_baseDir]. For instance, if [_baseDir] is `a/b/c` and
-   * [_outputDir] is `g/h/`, then the corresponding output file for
-   * `a/b/c/e/f.html` will be under `g/h/e/f.html.dart`.
-   */
-  final String _baseDir;
-
-  /** Base path where all output is generated. */
-  final String _outputDir;
-
-  /** The package root directory. */
-  final String packageRoot;
-
-  /** Whether to add prefixes and to output file names. */
-  final bool _mangleFilenames;
-
-  final bool _rewriteUrls;
-
-  bool get _rewritePackageImports => _rewriteUrls || !_mangleFilenames;
-
-  /** Default prefix added to all filenames. */
-  static const String _DEFAULT_PREFIX = '_';
-
-  PathMapper(String baseDir, String outputDir, this.packageRoot,
-      bool forceMangle, this._rewriteUrls)
-      : _baseDir = baseDir,
-        _outputDir = outputDir,
-        _mangleFilenames = forceMangle || (baseDir == outputDir);
-
-  /** Add a prefix and [suffix] if [_mangleFilenames] is true */
-  String mangle(String name, String suffix, [bool forceSuffix = false]) =>
-    _mangleFilenames ? "$_DEFAULT_PREFIX$name$suffix"
-        : (forceSuffix ? "$name$suffix" : name);
-
-  /**
-   * Checks that `input.resolvedPath` is a valid input path. It must be in
-   * [_baseDir] and must not be in the [_outputDir]. If not, an error message
-   * is added to [messages].
-   */
-  bool checkInputPath(UrlInfo input, Messages messages) {
-    if (_mangleFilenames) return true;
-    var canonicalized = path.normalize(input.resolvedPath);
-    var parentDir = '..${path.separator}';
-    if (!path.relative(canonicalized, from: _outputDir).startsWith(parentDir)) {
-      messages.error(
-          'The file ${input.resolvedPath} cannot be processed. '
-          'Files cannot be under the output folder (${_outputDir}).',
-          input.sourceSpan);
-      return false;
-    }
-    if (path.relative(canonicalized, from: _baseDir).startsWith(parentDir)) {
-      messages.error(
-          'The file ${input.resolvedPath} cannot be processed. '
-          'All processed files must be under the base folder (${_baseDir}), you'
-          ' can specify the base folder using the --basedir flag.',
-          input.sourceSpan);
-      return false;
-    }
-    return true;
-  }
-
-  /**
-   * The path to the output file corresponding to [input], by adding
-   * [_DEFAULT_PREFIX] and a [suffix] to its file name.
-   */
-  String outputPath(String input, String suffix, [bool forceSuffix = false]) =>
-      path.join(outputDirPath(input),
-          mangle(path.basename(input), suffix, forceSuffix));
-
-  /** The path to the output file corresponding to [info]. */
-  String outputLibraryPath(LibrarySummary lib) =>
-      path.join(outputDirPath(lib.dartCodeUrl.resolvedPath),
-          lib.outputFilename);
-
-  /** The corresponding output directory for [input]'s directory. */
-  String outputDirPath(String input) {
-    return _rewritePackages(path.normalize(
-          path.join(_outputDir, path.relative(
-              path.dirname(input), from: _baseDir))));
-  }
-
-  /**
-   * We deal with `packages/` directories in a very special way. We assume it
-   * points to resources loaded from other pub packages. If an output directory
-   * is specified, the compiler will create a packages symlink so that
-   * `package:` imports work.
-   *
-   * To make it possible to share components through pub, we allow using tags of
-   * the form `<link rel="import" href="packages/...">`, so that you can
-   * refer to components within the packages symlink.  Regardless of whether an
-   * --out option was given to the compiler, we don't want to generate files
-   * inside `packages/` for those components.  Instead we will generate such
-   * code in a special directory called `_from_packages/`.
-   */
-  String _rewritePackages(String outputPath) {
-    // TODO(jmesserly): this should match against packageRoot instead.
-    if (!outputPath.contains('packages')) return outputPath;
-    if (!_rewritePackageImports) return outputPath;
-    var segments = path.split(outputPath);
-    return path.joinAll(
-        segments.map((s) => s == 'packages' ? '_from_packages' : s));
-  }
-
-  /**
-   * Returns a url to import/export the output library represented by [target]
-   * from the output library of [src]. In other words, a url to import or export
-   * `target.outputFilename` from `src.outputFilename`.
-   */
-  String importUrlFor(LibrarySummary src, LibrarySummary target) {
-    if (!_rewritePackageImports &&
-        target.dartCodeUrl.url.startsWith('package:')) {
-      return pathToUrl(path.join(path.dirname(target.dartCodeUrl.url),
-            target.outputFilename));
-    }
-    var srcDir = path.dirname(src.dartCodeUrl.resolvedPath);
-    var relDir = path.relative(
-        path.dirname(target.dartCodeUrl.resolvedPath), from: srcDir);
-    return pathToUrl(_rewritePackages(path.normalize(
-          path.join(relDir, target.outputFilename))));
-  }
-
-  /**
-   * Transforms a [target] url seen in [src] (e.g. a Dart import, a .css href in
-   * an HTML file, etc) into a corresponding url from the output file associated
-   * with [src]. This will keep 'package:', 'dart:', path-absolute, and absolute
-   * urls intact, but it will fix relative paths to walk from the output
-   * directory back to the input directory. An exception will be thrown if
-   * [target] is not under [_baseDir].
-   */
-  String transformUrl(String src, String target) {
-    var uri = Uri.parse(target);
-    if (uri.isAbsolute) return target;
-    if (!uri.scheme.isEmpty) return target;
-    if (!uri.host.isEmpty) return target;
-    if (uri.path.isEmpty) return target;  // Implies standalone ? or # in URI.
-    if (path.isAbsolute(target)) return target;
-
-    return pathToUrl(path.normalize(path.relative(
-          path.join(path.dirname(src), target), from: outputDirPath(src))));
-  }
-}
-
-/**
- * Returns a "mangled" name, with a prefix and [suffix] depending on the
- * compiler's settings. [forceSuffix] causes [suffix] to be appended even if
- * the compiler is not mangling names.
- */
-typedef String NameMangler(String name, String suffix, [bool forceSuffix]);