Fix a typo in buildbot_chrome_nacl_stage.py.

chrome/test/nacl_test_injection/buildbot_chrome_nacl_stage.py

Index: chrome/test/nacl_test_injection/buildbot_chrome_nacl_stage.py
diff --git a/chrome/test/nacl_test_injection/buildbot_chrome_nacl_stage.py b/chrome/test/nacl_test_injection/buildbot_chrome_nacl_stage.py
index ca198f4a19fdd5d9b916157d733f466aa8e6dd91..6522e73c1587ee1e9506af9123169c988366965f 100755
--- a/chrome/test/nacl_test_injection/buildbot_chrome_nacl_stage.py
+++ b/chrome/test/nacl_test_injection/buildbot_chrome_nacl_stage.py
@@ -108,7 +108,7 @@ def BuildAndTest(options):
   else:
     chrome_filename = find_chrome.FindChrome(src_dir, [options.mode])
     if chrome_filename is None:
-      raise Exception('Cannot find a chome binary - specify one with '
+      raise Exception('Cannot find a chrome binary - specify one with '
                       '--browser_path?')
 
   env = dict(os.environ)