Add change log viewer for V8.

dashboard/svn-log

Index: dashboard/svn-log
diff --git a/dashboard/svn-log b/dashboard/svn-log
index c3c18ac05e53212b2d33d474f2379e885101f580..1f0ed136eaf45a921506231da511932d5c15eb1c 100644
--- a/dashboard/svn-log
+++ b/dashboard/svn-log
@@ -13,7 +13,8 @@ try:
     options[opt[0]] = opt[1]
   if ('range' not in options or 'url' not in options or
       not (options['url'].startswith('http://src.chromium.org/svn/') or
-           options['url'].startswith('http://webrtc.googlecode.com/svn/')) or
+           options['url'].startswith('http://webrtc.googlecode.com/svn/') or
+           options['url'].startswith('http://v8.googlecode.com/svn/')) or
       not re.match(r'^(\d+):(\d+)$', options['range'])):
     print 'Content-Type: text/html'
     print ''