Stop running pub get at gclient sync time and fix build bugs

mojo/public/dart/third_party/path/lib/src/style.dart

Index: mojo/public/dart/third_party/path/lib/src/style.dart
diff --git a/mojo/public/dart/third_party/path/lib/src/style.dart b/mojo/public/dart/third_party/path/lib/src/style.dart
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+// 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.
+
+library path.style;
+
+import 'context.dart';
+import 'style/posix.dart';
+import 'style/url.dart';
+import 'style/windows.dart';
+
+/// An enum type describing a "flavor" of path.
+abstract class Style {
+  /// POSIX-style paths use "/" (forward slash) as separators. Absolute paths
+  /// start with "/". Used by UNIX, Linux, Mac OS X, and others.
+  static final Style posix = new PosixStyle();
+
+  /// Windows paths use "\" (backslash) as separators. Absolute paths start with
+  /// a drive letter followed by a colon (example, "C:") or two backslashes
+  /// ("\\") for UNC paths.
+  // TODO(rnystrom): The UNC root prefix should include the drive name too, not
+  // just the "\\".
+  static final Style windows = new WindowsStyle();
+
+  /// URLs aren't filesystem paths, but they're supported to make it easier to
+  /// manipulate URL paths in the browser.
+  ///
+  /// URLs use "/" (forward slash) as separators. Absolute paths either start
+  /// with a protocol and optional hostname (e.g. `http://dartlang.org`,
+  /// `file://`) or with "/".
+  static final Style url = new UrlStyle();
+
+  /// The style of the host platform.
+  ///
+  /// When running on the command line, this will be [windows] or [posix] based
+  /// on the host operating system. On a browser, this will be [url].
+  static final Style platform = _getPlatformStyle();
+
+  /// Gets the type of the host platform.
+  static Style _getPlatformStyle() {
+    // If we're running a Dart file in the browser from a `file:` URI,
+    // [Uri.base] will point to a file. If we're running on the standalone,
+    // it will point to a directory. We can use that fact to determine which
+    // style to use.
+    if (Uri.base.scheme != 'file') return Style.url;
+    if (!Uri.base.path.endsWith('/')) return Style.url;
+    if (new Uri(path: 'a/b').toFilePath() == 'a\\b') return Style.windows;
+    return Style.posix;
+  }
+
+  /// The name of this path style. Will be "posix" or "windows".
+  String get name;
+
+  /// A [Context] that uses this style.
+  Context get context => new Context(style: this);
+
+  @Deprecated("Most Style members will be removed in path 2.0.")
+  String get separator;
+
+  @Deprecated("Most Style members will be removed in path 2.0.")
+  Pattern get separatorPattern;
+
+  @Deprecated("Most Style members will be removed in path 2.0.")
+  Pattern get needsSeparatorPattern;
+
+  @Deprecated("Most Style members will be removed in path 2.0.")
+  Pattern get rootPattern;
+
+  @Deprecated("Most Style members will be removed in path 2.0.")
+  Pattern get relativeRootPattern;
+
+  @Deprecated("Most style members will be removed in path 2.0.")
+  String getRoot(String path);
+
+  @Deprecated("Most style members will be removed in path 2.0.")
+  String getRelativeRoot(String path);
+
+  @Deprecated("Most style members will be removed in path 2.0.")
+  String pathFromUri(Uri uri);
+
+  @Deprecated("Most style members will be removed in path 2.0.")
+  Uri relativePathToUri(String path);
+
+  @Deprecated("Most style members will be removed in path 2.0.")
+  Uri absolutePathToUri(String path);
+
+  String toString() => name;
+}