Changing serviceuri param to be url from string in Blink and tagging requests to speech recognizer

LayoutTests/fast/speech/scripted/start-exception.html

Index: LayoutTests/fast/speech/scripted/start-exception.html
diff --git a/LayoutTests/fast/speech/scripted/start-exception.html b/LayoutTests/fast/speech/scripted/start-exception.html
index c21ff433696c6281b4c1c99a2548cdb2e5b66819..4b5d1b850e7f97c9bde0d828f09a0f8517a9a44c 100644
--- a/LayoutTests/fast/speech/scripted/start-exception.html
+++ b/LayoutTests/fast/speech/scripted/start-exception.html
@@ -31,7 +31,7 @@ function doubleStart() {
 
                     r.onend = function() {
                         debug('onend');
-                        finishJSTest();
+                        serviceURIInvalid();
                     }
                 } else {
                     shouldThrow("r.start()", '"InvalidStateError: Failed to execute \'start\' on \'SpeechRecognition\': recognition has already started."');
@@ -44,9 +44,18 @@ function doubleStart() {
     shouldThrow("r.start()", '"InvalidStateError: Failed to execute \'start\' on \'SpeechRecognition\': recognition has already started."');
 }
 
+function serviceURIInvalid() {
+    debug('\nserviceURIInvalid():');
+    evalAndLog("window.r = new webkitSpeechRecognition()");
+    evalAndLog("r.serviceURI = 'http:/:/:/badurl'");
+
+    shouldThrow("r.start()", '"SyntaxError: Failed to execute \'start\' on \'SpeechRecognition\': serviceURI is neither empty nor a valid URL."');
+    evalAndLog("r.abort()");
+    finishJSTest();
+}
+
 window.onload = run;
 window.jsTestIsAsync = true;
 </script>
 </body>
 </html>
-