Move the individual property definitions from client/base/Css to CSSStyleDeclaration.

client/html/src/Device.dart

Index: client/html/src/Device.dart
diff --git a/client/html/src/Device.dart b/client/html/src/Device.dart
new file mode 100644
index 0000000000000000000000000000000000000000..9c76154fc1cb754e5d763addc35034c78a8f3823
--- /dev/null
+++ b/client/html/src/Device.dart
@@ -0,0 +1,22 @@
+// Copyright (c) 2011, 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.
+
+/**
+ * Utils for device detection.
+ *
+ * TODO(nweiz): rename this when we get rid of client/base/Device.dart.

[Jacob, 2011/10/21 17:12:23]

Remove this TODO as we want this class to be private for now as we don't want
users depending on it.

[nweiz, 2011/10/24 19:48:28]

Done.

+ */
+class _Device {
+  /**
+   * Gets the browser's user agent. Using this function allows tests to inject
+   * the user agent.
+   * Returns the user agent.
+   */
+  static String get userAgent() => window.navigator.userAgent;
+
+  /**
+   * Determines if the current device is running Firefox.
+   */
+  static bool get isFirefox() => userAgent.contains("Firefox", 0);
+}