Add test to verify we can cancel the GetUserMedia request right after sending the request

chrome/test/data/webrtc/getusermedia.js

Index: chrome/test/data/webrtc/getusermedia.js
diff --git a/chrome/test/data/webrtc/getusermedia.js b/chrome/test/data/webrtc/getusermedia.js
index bdfd28ce38400e56e06cd5ee05e1a6041f0eb384..8cc3e135d0921a91a14518ec99fc00e95b25a0ad 100644
--- a/chrome/test/data/webrtc/getusermedia.js
+++ b/chrome/test/data/webrtc/getusermedia.js
@@ -37,6 +37,18 @@ function getUserMedia(requestVideo, requestAudio) {
 }
 
 /**
+ * This function realods the web page which will cancel the previous

[Nirnimesh, 2012/07/12 14:07:01]

This function reloads -> Reload

+ * GetUserMedia requests.
+ */
+function ReloadWebPage() {
+  // Reload the web page.
+  location.reload();
+
+  debug("Reloading page.");
+  returnToPyAuto('ok-reloaded-page');
+}
+
+/**
  * Must be called after calling getUserMedia. Returns not-called-yet if we have
  * not yet been called back by WebRTC. Otherwise it returns either ok-got-stream
  * or failed-with-error-x (where x is the error code from the error callback)
@@ -73,4 +85,4 @@ function getUserMediaOkCallback(stream) {
 
 function getUserMediaFailedCallback(error) {
   gRequestWebcamAndMicrophoneResult = 'failed-with-error-' + error.code;
-}
+}