Increase web page replay startup timeout from 10 to 30 seconds.

chrome/test/functional/webpagereplay.py

Index: chrome/test/functional/webpagereplay.py
diff --git a/chrome/test/functional/webpagereplay.py b/chrome/test/functional/webpagereplay.py
index 6e6685852de3eda29cfbbbcac4c743c72403703a..a35f5571d9a1b129e1905def5895ba7a509311d1 100755
--- a/chrome/test/functional/webpagereplay.py
+++ b/chrome/test/functional/webpagereplay.py
@@ -127,7 +127,7 @@ class ReplayServer(object):
 
   def IsStarted(self):
     """Checks to see if the server is up and running."""
-    for _ in range(10):
+    for _ in range(30):
       if self.replay_process.poll() is not None:
         # The process has exited.
         break