[Sync] Fix sync lint errors/includes, update presubmit.

components/browser_sync/PRESUBMIT.py

Index: components/browser_sync/PRESUBMIT.py
diff --git a/components/browser_sync/PRESUBMIT.py b/components/browser_sync/PRESUBMIT.py
index ae61c4330075f0c783b24c37c12312beb18ab07e..c9212e952fcf4958e7040737e5ff7208cbf0a60d 100644
--- a/components/browser_sync/PRESUBMIT.py
+++ b/components/browser_sync/PRESUBMIT.py
@@ -12,11 +12,16 @@ import re
 
 BROWSER_SYNC_SOURCE_FILES = (r'^components[\\/]browser_sync[\\/].*\.(cc|h)$',)
 
+# The wrapper around lint that is called below disables a set of filters if the
+# passed filter evaluates to false. Pass a junk filter to avoid this behavior.
+LINT_FILTERS = ['+fake/filter']
+
 def CheckChangeLintsClean(input_api, output_api):
   source_filter = lambda x: input_api.FilterSourceFile(
     x, white_list=BROWSER_SYNC_SOURCE_FILES, black_list=None)
   return input_api.canned_checks.CheckChangeLintsClean(
-      input_api, output_api, source_filter, lint_filters=[], verbose_level=1)
+      input_api, output_api, source_filter, lint_filters=LINT_FILTERS,
+      verbose_level=1)
 
 def CheckChanges(input_api, output_api):
   results = []