[polymer] switch comment style

pkg/polymer/lib/src/build/common.dart

Index: pkg/polymer/lib/src/build/common.dart
diff --git a/pkg/polymer/lib/src/build/common.dart b/pkg/polymer/lib/src/build/common.dart
index 94abdd7b88deda2c95b58871847e7e06a6bf005a..bcde554030e4896273a70c5e164dc13049c62395 100644
--- a/pkg/polymer/lib/src/build/common.dart
+++ b/pkg/polymer/lib/src/build/common.dart
@@ -2,7 +2,7 @@
 // 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.
 
-/** Common methods used by transfomers. */
+/// Common methods used by transfomers.
 library polymer.src.build.common;
 
 import 'dart:async';
@@ -15,10 +15,8 @@ import 'package:path/path.dart' as path;
 import 'package:observe/transformer.dart' show ObservableTransformer;
 import 'package:source_maps/span.dart' show Span;
 
-/**
- * Parses an HTML file [contents] and returns a DOM-like tree. Adds emitted
- * error/warning to [logger].
- */
+/// Parses an HTML file [contents] and returns a DOM-like tree. Adds emitted
+/// error/warning to [logger].
 Document _parseHtml(String contents, String sourcePath, TransformLogger logger,
     {bool checkDocType: true}) {
   // TODO(jmesserly): make HTTP encoding configurable
@@ -36,38 +34,30 @@ Document _parseHtml(String contents, String sourcePath, TransformLogger logger,
   return document;
 }
 
-/** Additional options used by polymer transformers */
+/// Additional options used by polymer transformers
 class TransformOptions {
-  /**
-   * List of entrypoints paths. The paths are relative to the package root and
-   * are represented using posix style, which matches the representation used in
-   * asset ids in barback. If null, anything under 'web/' or 'test/' is
-   * considered an entry point.
-   */
+  /// List of entrypoints paths. The paths are relative to the package root and
+  /// are represented using posix style, which matches the representation used
+  /// in asset ids in barback. If null, anything under 'web/' or 'test/' is
+  /// considered an entry point.
   final List<String> entryPoints;
 
-  /**
-   * True to enable Content Security Policy.
-   * This means the HTML page will include *.dart.precompiled.js
-   *
-   * This flag has no effect unless [directlyIncludeJS] is enabled.
-   */
+  /// True to enable Content Security Policy.
+  /// This means the HTML page will include *.dart.precompiled.js
+  ///
+  /// This flag has no effect unless [directlyIncludeJS] is enabled.
   final bool contentSecurityPolicy;
 
-  /**
-   * True to include the compiled JavaScript directly from the HTML page.
-   * If enabled this will remove "packages/browser/dart.js" and replace
-   * `type="application/dart"` scripts with equivalent *.dart.js files.
-   *
-   * If [contentSecurityPolicy] enabled, this will reference files
-   * named *.dart.precompiled.js.
-   */
+  /// True to include the compiled JavaScript directly from the HTML page.
+  /// If enabled this will remove "packages/browser/dart.js" and replace
+  /// `type="application/dart"` scripts with equivalent *.dart.js files.
+  ///
+  /// If [contentSecurityPolicy] enabled, this will reference files
+  /// named *.dart.precompiled.js.
   final bool directlyIncludeJS;
 
-  /**
-   * Run transformers to create a releasable app. For example, include the
-   * minified versions of the polyfills rather than the debug versions.
-   */
+  /// Run transformers to create a releasable app. For example, include the
+  /// minified versions of the polyfills rather than the debug versions.
   final bool releaseMode;
 
   TransformOptions({entryPoints, this.contentSecurityPolicy: false,
@@ -75,7 +65,7 @@ class TransformOptions {
       : entryPoints = entryPoints == null ? null
           : entryPoints.map(_systemToAssetPath).toList();
 
-  /** Whether an asset with [id] is an entry point HTML file. */
+  /// Whether an asset with [id] is an entry point HTML file.
   bool isHtmlEntryPoint(AssetId id) {
     if (id.extension != '.html') return false;
 
@@ -88,7 +78,7 @@ class TransformOptions {
   }
 }
 
-/** Mixin for polymer transformers. */
+/// Mixin for polymer transformers.
 abstract class PolymerTransformer {
   TransformOptions get options;
 
@@ -111,17 +101,15 @@ abstract class PolymerTransformer {
     });
   }
 
-  /**
-   * Gets the appropriate URL to use in a [Span] to produce messages
-   * (e.g. warnings) for users. This will attempt to format the URL in the most
-   * useful way:
-   *
-   * - If the asset is within the primary package, then use the [id.path],
-   *   the user will know it is a file from their own code.
-   * - If the asset is from another package, then use [assetUrlFor], this will
-   *   likely be a "package:" url to the file in the other package, which is
-   *   enough for users to identify where the error is.
-   */
+  /// Gets the appropriate URL to use in a [Span] to produce messages
+  /// (e.g. warnings) for users. This will attempt to format the URL in the most
+  /// useful way:
+  ///
+  /// - If the asset is within the primary package, then use the [id.path],
+  ///   the user will know it is a file from their own code.
+  /// - If the asset is from another package, then use [assetUrlFor], this will
+  ///   likely be a "package:" url to the file in the other package, which is
+  ///   enough for users to identify where the error is.
   String spanUrlFor(AssetId id, Transform transform) {
     var primaryId = transform.primaryInput.id;
     bool samePackage = id.package == primaryId.package;
@@ -135,16 +123,14 @@ abstract class PolymerTransformer {
   String toString() => 'polymer ($runtimeType)';
 }
 
-/** Transformer phases which should be applied to the Polymer package. */
+/// Transformer phases which should be applied to the Polymer package.
 List<List<Transformer>> get phasesForPolymer =>
     [[new ObservableTransformer(['lib/src/instance.dart'])]];
 
-/**
- * Create an [AssetId] for a [url] seen in the [source] asset. By default this
- * is used to resolve relative urls that occur in HTML assets, including
- * cross-package urls of the form "packages/foo/bar.html". Dart-style "package:"
- * urls are not resolved unless [source] is Dart file (has a .dart extension).
- */
+/// Create an [AssetId] for a [url] seen in the [source] asset. By default this
+/// is used to resolve relative urls that occur in HTML assets, including
+/// cross-package urls of the form "packages/foo/bar.html". Dart "package:"
+/// urls are not resolved unless [source] is Dart file (has a .dart extension).
 // TODO(sigmund): delete once this is part of barback (dartbug.com/12610)
 AssetId resolve(AssetId source, String url, TransformLogger logger, Span span,
     {bool allowAbsolute: false}) {
@@ -228,10 +214,8 @@ AssetId _extractOtherPackageId(int index, List segments,
       path.url.join(folder, path.url.joinAll(segments.sublist(index + 2))));
 }
 
-/**
- * Generate the import url for a file described by [id], referenced by a file
- * with [sourceId].
- */
+/// Generate the import url for a file described by [id], referenced by a file
+/// with [sourceId].
 // TODO(sigmund): this should also be in barback (dartbug.com/12610)
 String assetUrlFor(AssetId id, AssetId sourceId, TransformLogger logger,
     {bool allowAssetUrl: false}) {
@@ -261,7 +245,7 @@ String assetUrlFor(AssetId id, AssetId sourceId, TransformLogger logger,
 }
 
 
-/** Convert system paths to asset paths (asset paths are posix style). */
+/// Convert system paths to asset paths (asset paths are posix style).
 String _systemToAssetPath(String assetPath) {
   if (path.Style.platform != path.Style.windows) return assetPath;
   return path.posix.joinAll(path.split(assetPath));