Adding Presubmit error when OVERRIDE and FINAL is not used as C++11 standard

PRESUBMIT_test.py

Index: PRESUBMIT_test.py
diff --git a/PRESUBMIT_test.py b/PRESUBMIT_test.py
index 2aed5dfc1b4e074b5efa131b74da0000f4c891fc..d401d347a014f16b65a5183afdd2e52f17ceda96 100755
--- a/PRESUBMIT_test.py
+++ b/PRESUBMIT_test.py
@@ -413,6 +413,66 @@ class InvalidOSMacroNamesTest(unittest.TestCase):
     self.assertEqual(0, len(errors))
 
 
+class InvalidOverideAndFinalTest(unittest.TestCase):
+  def testValidOverrideConstructs(self):
+    mock_input_api = MockInputApi()
+    lines = ['foo1() override;',
+             'foo2() final;',
+             '#DEFINE OVERRIDE_METHOD_OVERLOAD',
+             '#DEFINE FINAL_METHOD',
+             '#DEFINE OVERRIDE_OVERRIDE_SOMETHING',
+             '#DEFINE SOMETHING_OVERRIDE_SOMETHING',
+             '#DEFINE SOMETHING_SOMETHING_OVERRIDE',
+             '#DEFINE FINAL_OVERRIDE_FINAL',
+             '#DEFINE SOMETHING_OVERRIDE_FINAL',
+             '#DEFINE OVERRIDE_OVERRIDE_OVERRIDE',
+             '#endif  // FINAL_METHOD',
+             '#endif  // OVERRIDE_METHOD_OVERLOAD']
+    mock_file_h = MockFile('something.h', lines)
+    mock_input_api.files = [mock_file_h]
+    errors = PRESUBMIT._CheckForOverrideAndFinalRules(mock_input_api,
+                                                      MockOutputApi())
+    self.assertEqual(0, len(errors))
+
+  def testInvalidOverrideConstructsInHeaders(self):
+    mock_input_api = MockInputApi()
+    lines_cpp = ['foo2() FINAL;']
+    lines_h = ['foo1() OVERRIDE;']
+    mock_file_cpp = MockFile('something.cpp', lines_cpp)
+    mock_file_h = MockFile('something.h', lines_h)
+    mock_input_api.files = [mock_file_cpp, mock_file_h]
+    errors = PRESUBMIT._CheckForOverrideAndFinalRules(mock_input_api,
+                                                      MockOutputApi())
+    self.assertEqual(1, len(errors))
+
+  def testInvalidOverrideConstructsInCpp(self):
+    mock_input_api = MockInputApi()
+    lines_cpp = ['foo2() FINAL;']
+    mock_file_cpp = MockFile('something.cpp', lines_cpp)
+    mock_input_api.files = [mock_file_cpp]
+    errors = PRESUBMIT._CheckForOverrideAndFinalRules(mock_input_api,
+                                                      MockOutputApi())
+    self.assertEqual(1, len(errors))
+
+  def testInvalidOverrideConstructsInCc(self):
+    mock_input_api = MockInputApi()
+    lines_cc = ['foo3() override FINAL;']
+    mock_file_cc = MockFile('something.cc', lines_cc)
+    mock_input_api.files = [mock_file_cc]
+    errors = PRESUBMIT._CheckForOverrideAndFinalRules(mock_input_api,
+                                                      MockOutputApi())
+    self.assertEqual(1, len(errors))
+
+  def testInvalidOverrideConstructsInMm(self):
+    mock_input_api = MockInputApi()
+    lines_mm = ['foo4() OVERRIDE final;']
+    mock_file_mm = MockFile('something.mm', lines_mm)
+    mock_input_api.files = [mock_file_mm]
+    errors = PRESUBMIT._CheckForOverrideAndFinalRules(mock_input_api,
+                                                      MockOutputApi())
+    self.assertEqual(1, len(errors))
+
+
 class InvalidIfDefinedMacroNamesTest(unittest.TestCase):
   def testInvalidIfDefinedMacroNames(self):
     lines = ['#if defined(TARGET_IPHONE_SIMULATOR)',