[Sync] Updating all sync components to use similar presubmit linting logic.

components/sync_sessions/PRESUBMIT.py

Index: components/sync_sessions/PRESUBMIT.py
diff --git a/components/sync_sessions/PRESUBMIT.py b/components/sync_sessions/PRESUBMIT.py
index 70dee3d1689d2148f92f1d94c0ddbc936529d990..39f2f9ac418bddecbf4cd3b5c030c32cfe7e63e4 100644
--- a/components/sync_sessions/PRESUBMIT.py
+++ b/components/sync_sessions/PRESUBMIT.py
@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-"""Top-level presubmit script for sync_sessions.
+"""Presubmit script for sync_sessions component.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details about the presubmit API built into depot_tools.
@@ -10,16 +10,22 @@ for more details about the presubmit API built into depot_tools.
 
 import re
 
-SYNC_SESSIONS_SOURCE_FILES=(r'^components[\\/]sync_sessions[\\/].*\.(cc|h)$',)
+SYNC_SESSIONS_SOURCE_FILES = (r'^components[\\/]sync_sessions[\\/].*\.(cc|h)$',)
 
 def CheckChangeLintsClean(input_api, output_api):
   source_filter = lambda x: input_api.FilterSourceFile(
     x, white_list=SYNC_SESSIONS_SOURCE_FILES, black_list=None)
-
   return input_api.canned_checks.CheckChangeLintsClean(
       input_api, output_api, source_filter, lint_filters=[], verbose_level=1)
 
-def CheckChangeOnUpload(input_api, output_api):
+def CheckChanges(input_api, output_api):
   results = []
   results += CheckChangeLintsClean(input_api, output_api)
+  results += input_api.canned_checks.CheckPatchFormatted(input_api, output_api)
   return results
+
+def CheckChangeOnUpload(input_api, output_api):
+  return CheckChanges(input_api, output_api)
+
+def CheckChangeOnCommit(input_api, output_api):
+  return CheckChanges(input_api, output_api)