Initial commit for Chrome.* APIs in Dart

tools/dom/src/chrome/chrome.dart

Index: tools/dom/src/chrome/chrome.dart
diff --git a/tools/dom/src/chrome/chrome.dart b/tools/dom/src/chrome/chrome.dart
new file mode 100644
index 0000000000000000000000000000000000000000..9afe2713d479e62234f1b3a0539f0259bc034bd1
--- /dev/null
+++ b/tools/dom/src/chrome/chrome.dart
@@ -0,0 +1,67 @@
+// Copyright (c) 2012, 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.
+
+// TODO(sashab): Change all chrome-API object types to be JS-bound, so that the
+// proxy types are not needed. Instead, creation of an object also creates its
+// JS counterpart, and all objects are proxies from the start.
+part of chrome;
+
+// chrome.app
+class $API_ChromeApp {

[vsm, 2013/01/23 20:44:50]

Why the "$API_"?

[sashab, 2013/01/23 22:24:53]

To distinguish a "ChromeApp" type from this "chrome.app" class. Maybe
"APIChromeApp" would be clearer?

+  /*
+   * JS Variable
+   */
+  Object _jsObject;
+
+  /*
+   * Members
+   */
+  $API_ChromeAppWindow window;
+  $API_ChromeAppRuntime runtime;
+
+  /*
+   * Constructor
+   */
+  $API_ChromeApp(this._jsObject) {
+    var window_object = JS('', '#.window', this._jsObject);
+    if (window_object == null)
+      throw new UnsupportedError('Not supported by current browser.');
+    window = new $API_ChromeAppWindow(window_object);
+
+    var runtime_object = JS('', '#.runtime', this._jsObject);
+    if (runtime_object == null)
+      throw new UnsupportedError('Not supported by current browser.');
+    runtime = new $API_ChromeAppRuntime(runtime_object);
+  }
+}
+
+// chrome
+class $API_Chrome {
+  /*
+   * JS Variable
+   */
+  Object _jsObject;
+
+  /*
+   * Members
+   */
+  $API_ChromeApp app;
+
+  /*
+   * Constructor
+   */
+  $API_Chrome() {
+    this._jsObject = JS("Object", "chrome");
+    if (this._jsObject == null)
+      throw new UnsupportedError('Not supported by current browser.');
+
+    var app_object = JS('', '#.app', this._jsObject);
+    if (app_object == null)
+      throw new UnsupportedError('Not supported by current browser.');
+    app = new $API_ChromeApp(app_object);
+  }
+}
+
+// The final chrome objects
+final $API_Chrome chrome = new $API_Chrome();