Adds new logging type SYSLOG which logs to the system log.

PRESUBMIT_test.py

Index: PRESUBMIT_test.py
diff --git a/PRESUBMIT_test.py b/PRESUBMIT_test.py
index a8a3c27ab7f81790ccbcd083bbbf257e8c9430dd..7a30e29e2450c342f42f957c69a6e010c758da43 100755
--- a/PRESUBMIT_test.py
+++ b/PRESUBMIT_test.py
@@ -857,6 +857,10 @@ class PydepsNeedsUpdatingTest(unittest.TestCase):
                                                checker_for_tests=self.checker)
 
   def testAddedPydep(self):
+    # PRESUBMIT._CheckPydepsNeedsUpdating is only implemented for Android.
+    if self.mock_input_api.platform != 'linux2':
+      return []
+
     self.mock_input_api.files = [
       MockAffectedFile('new.pydeps', [], action='A'),
     ]
@@ -866,6 +870,10 @@ class PydepsNeedsUpdatingTest(unittest.TestCase):
     self.assertTrue('PYDEPS_FILES' in str(results[0]))
 
   def testRemovedPydep(self):
+    # PRESUBMIT._CheckPydepsNeedsUpdating is only implemented for Android.
+    if self.mock_input_api.platform != 'linux2':
+      return []
+
     self.mock_input_api.files = [
       MockAffectedFile(PRESUBMIT._ALL_PYDEPS_FILES[0], [], action='D'),
     ]
@@ -875,6 +883,10 @@ class PydepsNeedsUpdatingTest(unittest.TestCase):
     self.assertTrue('PYDEPS_FILES' in str(results[0]))
 
   def testRandomPyIgnored(self):
+    # PRESUBMIT._CheckPydepsNeedsUpdating is only implemented for Android.
+    if self.mock_input_api.platform != 'linux2':
+      return []
+
     self.mock_input_api.files = [
       MockAffectedFile('random.py', []),
     ]
@@ -883,6 +895,10 @@ class PydepsNeedsUpdatingTest(unittest.TestCase):
     self.assertEqual(0, len(results), 'Unexpected results: %r' % results)
 
   def testRelevantPyNoChange(self):
+    # PRESUBMIT._CheckPydepsNeedsUpdating is only implemented for Android.
+    if self.mock_input_api.platform != 'linux2':
+      return []
+
     self.mock_input_api.files = [
       MockAffectedFile('A.py', []),
     ]
@@ -897,6 +913,10 @@ class PydepsNeedsUpdatingTest(unittest.TestCase):
     self.assertEqual(0, len(results), 'Unexpected results: %r' % results)
 
   def testRelevantPyOneChange(self):
+    # PRESUBMIT._CheckPydepsNeedsUpdating is only implemented for Android.
+    if self.mock_input_api.platform != 'linux2':
+      return []
+
     self.mock_input_api.files = [
       MockAffectedFile('A.py', []),
     ]
@@ -912,6 +932,10 @@ class PydepsNeedsUpdatingTest(unittest.TestCase):
     self.assertTrue('File is stale' in str(results[0]))
 
   def testRelevantPyTwoChanges(self):
+    # PRESUBMIT._CheckPydepsNeedsUpdating is only implemented for Android.
+    if self.mock_input_api.platform != 'linux2':
+      return []
+
     self.mock_input_api.files = [
       MockAffectedFile('C.py', []),
     ]