Fix speech-synthesis-speak-multiple.html flakiness.

third_party/WebKit/LayoutTests/fast/speechsynthesis/speech-synthesis-speak-multiple-expected.txt

Index: third_party/WebKit/LayoutTests/fast/speechsynthesis/speech-synthesis-speak-multiple-expected.txt
diff --git a/third_party/WebKit/LayoutTests/fast/speechsynthesis/speech-synthesis-speak-multiple-expected.txt b/third_party/WebKit/LayoutTests/fast/speechsynthesis/speech-synthesis-speak-multiple-expected.txt
index bc7adfbf843dcf9b4cdacbad92ac1d4da1c37a90..2330294f0cc5e2dec31d565eab9c4b0d981d44d3 100644
--- a/third_party/WebKit/LayoutTests/fast/speechsynthesis/speech-synthesis-speak-multiple-expected.txt
+++ b/third_party/WebKit/LayoutTests/fast/speechsynthesis/speech-synthesis-speak-multiple-expected.txt
@@ -4,20 +4,26 @@ On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE
 
 
 PASS speechSynthesis.speaking is false
-PASS event.elapsedTime > 0 is true
+PASS event.elapsedTime >= 0 is true
+PASS event.elapsedTime < 1000 is true
 PASS speechSynthesis.speaking is true
 PASS count is >= i
 PASS event.elapsedTime > 0 is true
+PASS event.elapsedTime < 10000 is true
 PASS speechSynthesis.speaking is true
-PASS event.elapsedTime > 0 is true
+PASS event.elapsedTime >= 0 is true
+PASS event.elapsedTime < 1000 is true
 PASS speechSynthesis.speaking is true
 PASS count is >= i
 PASS event.elapsedTime > 0 is true
+PASS event.elapsedTime < 10000 is true
 PASS speechSynthesis.speaking is true
-PASS event.elapsedTime > 0 is true
+PASS event.elapsedTime >= 0 is true
+PASS event.elapsedTime < 1000 is true
 PASS speechSynthesis.speaking is true
 PASS count is >= i
 PASS event.elapsedTime > 0 is true
+PASS event.elapsedTime < 10000 is true
 PASS speechSynthesis.speaking is true
 PASS successfullyParsed is true