Disable chrome_tests on Factory 1412.B branch for consistency with TOT.

BUG=chromium-os:28267
TEST=cbuildbot_config_unittest.py

Change-Id: I7021c470e129501ef1f5185ec71be896d0796704
Reviewed-on: https://gerrit.chromium.org/gerrit/18911
Reviewed-by: Ryan Cui <rcui@chromium.org>
Tested-by: David James <davidjames@chromium.org>
diff --git a/buildbot/cbuildbot_config.py b/buildbot/cbuildbot_config.py
index 512a285..531d744 100644
--- a/buildbot/cbuildbot_config.py
+++ b/buildbot/cbuildbot_config.py
@@ -326,7 +326,7 @@
   #   --bvt --clean --no-gstorage --ctest
   'build_type' : constants.CANARY_TYPE,
   'build_tests' : True,
-  'chrome_tests' : True,
+  'chrome_tests' : False,
   'manifest_version' : True,
   'images': ['base', 'test', 'factory_test', 'factory_install'],
   'push_image' : True,