test: Clean up site_login.py a bit.

client/site_tests/desktopui_ChromeFirstRender/desktopui_ChromeFirstRender.py

Index: client/site_tests/desktopui_ChromeFirstRender/desktopui_ChromeFirstRender.py
diff --git a/client/site_tests/desktopui_ChromeFirstRender/desktopui_ChromeFirstRender.py b/client/site_tests/desktopui_ChromeFirstRender/desktopui_ChromeFirstRender.py
index 373a792e4d01cbd7025336db791f4067097fef25..0b2e4b178f0007701a5638cdfd5bf8dcb8f5853d 100644
--- a/client/site_tests/desktopui_ChromeFirstRender/desktopui_ChromeFirstRender.py
+++ b/client/site_tests/desktopui_ChromeFirstRender/desktopui_ChromeFirstRender.py
@@ -14,16 +14,15 @@ class desktopui_ChromeFirstRender(site_ui_test.UITest):
         data = file(target_file).read()
         time = re.split(r' +', data.strip())[0]
         return float(time)
-        
+
 
     def run_once(self):
-        try:            
-            time.sleep(10) # Wait for chrome to render.
+        try:
+            time.sleep(10)  # Wait for chrome to render.
             start_time = self.__parse_uptime('/tmp/uptime-login-successful')
             end_time = self.__parse_uptime('/tmp/uptime-chrome-first-render')
-            self.write_perf_keyval({'seconds_chrome_first_tab':
-                                      end_time - start_time})            
+            self.write_perf_keyval(
+                { 'seconds_chrome_first_tab': end_time - start_time })
         except IOError, e:
             logging.debug(e)
             raise error.TestFail('Login information missing')
-