Add support for ie in the browser controller

tools/testing/dart/browser_controller.dart

 // 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 browser;
 
 import "dart:async";
 import "dart:core";
 import "dart:io";
 
 import 'android.dart';
@@ skipping 36 matching lines @@
 
   Browser();
 
   factory Browser.byName(String name) {
     if (name == 'ff' || name == 'firefox') {
       return new Firefox();
     } else if (name == 'chrome') {
       return new Chrome();
     } else if (name == 'safari') {
       return new Safari();
+    } else if (name.startsWith('ie')) {
+      return new IE();
     } else {
       throw "Non supported browser";
     }
   }
 
   static const List<String> SUPPORTED_BROWSERS =
       const ['safari', 'ff', 'firefox', 'chrome'];
 
   static const List<String> BROWSERS_WITH_WINDOW_SUPPORT =
       const ['safari', 'ff', 'firefox', 'chrome'];
@@ skipping 273 matching lines @@
       });
     }).catchError((e) {
       _logEvent("Running $binary --version failed with $e");
       return false;
     });
   }
 
   String toString() => "Chrome";
 }
 
+class IE extends Browser {
+
+  static const String binary = 
+      "c:\\Program Files\\Internet Explorer\\iexplore.exe";
+
+  Future<String> getVersion() {
+    var args = ["query",
+                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Internet Explorer",
+                "/v",
+                "version"];
+    return Process.run("reg", args).then((result) {
+      if (result.exitCode == 0) {
+        // The string we get back looks like this:
+        // HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer
+        //    version    REG_SZ    9.0.8112.16421
+        var findString = "REG_SZ";
+        var index = result.stdout.indexOf("REG_SZ") + findString.length;
+        if (index > 0) {
+          return result.stdout.substring(index).trim();
+        }
+      }
+      return "Could not get the version of internet explorer";
+    });
+  }
+
+
+  Future<bool> start(String url) {
+    _logEvent("Starting ie browser on: $url");
+    // Get the version and log that.
+    return getVersion().then((version) {
+      _logEvent("Got version: $version");
+      return startBrowser(binary, [url]);
+    });
+  }
+  String toString() => "IE";
+}
+
+
 class AndroidChrome extends Browser {
   static const String viewAction = 'android.intent.action.VIEW';
   static const String mainAction = 'android.intent.action.MAIN';
   static const String chromePackage = 'com.android.chrome';
   static const String browserPackage = 'com.android.browser';
   static const String firefoxPackage = 'org.mozilla.firefox';
   static const String turnScreenOnPackage = 'com.google.dart.turnscreenon';
 
   AndroidEmulator _emulator;
   AdbDevice _adbDevice;
@@ skipping 455 matching lines @@
         if (request.uri.path.startsWith(driverPath)) {
           var browserId = request.uri.path.substring(driverPath.length + 1);
           textResponse = getDriverPage(browserId);
         } else if (request.uri.path.startsWith(nextTestPath)) {
           var browserId = request.uri.path.substring(nextTestPath.length + 1);
           textResponse = getNextTest(browserId);
         } else {
           DebugLogger.info("Handling non standard request to: "
                            "${request.uri.path}");
         }
+        request.response.headers.set("Cache-Control", "no-cache, no-store, must-revalidate");
+        request.response.headers.set("Pragma", "no-cache");
+        request.response.headers.set("Expires", "0");
         request.response.write(textResponse);
         request.listen((_) {}, onDone: request.response.close);
         request.response.done.then((_) {
           DebugLogger.info("Done handling request to: ${request.uri.path}");
         }).catchError((error) {
           if (!underTermination) {
             print("URI ${request.uri}");
             print("Textresponse $textResponse");
             throw "Error returning content to browser: $error";
           }
@@ skipping 100 matching lines @@
             } else if (this.responseText == '$terminateSignal') {
               // Don't do anything, we will be killed shortly.
             } else {
               var elapsed = new Date() - start;
               // TODO(ricow): Do something more clever here.
               if (nextTask != undefined) alert('This is really bad');
               // The task is send to us as:
               // URL#ID
               var split = this.responseText.split('#');
               var nextTask = split[0];
+
               current_id = split[1];
               reportError('Done getting task : ' + elapsed);
               did_start = false;
               run(nextTask);
             }
           } else {
             reportError('Could not contact the server and get a new task');
           }
         }
       }
@@ skipping 94 matching lines @@
 </head>
   <body onload="startTesting()">
     Dart test driver, number of tests: <div id="number"></div>
     <iframe id="embedded_iframe"></iframe>
   </body>
 </html>
 """;
     return driverContent;
   }
 }