Remove third_party/WebKit/PRESUBMIT*.py

PRESUBMIT.py existed just for linting LayoutTest/TestExpectations.
It's unnecessary now.

No-Try: true
Bug: 622551
Change-Id: I4e3d801ecfa829f3a99e187eb2058fa326aa7c67
Reviewed-on: https://chromium-review.googlesource.com/c/1350430
Commit-Queue: Kent Tamura <tkent@chromium.org>
Reviewed-by: Quinten Yearsley <qyearsley@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611016}

third_party/WebKit/PRESUBMIT.py

-# Copyright (c) 2013 The Chromium Authors. All rights reserved.
-# 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 Blink.
-
-See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
-for more details about the presubmit API built into gcl.
-"""
-
-import os
-
-
-def _CommonChecks(input_api, output_api):
-    """Checks common to both upload and commit."""
-    # We should figure out what license checks we actually want to use.
-    license_header = r'.*'
-
-    results = []
-    results.extend(input_api.canned_checks.PanProjectChecks(
-        input_api, output_api, maxlen=800, license_header=license_header))
-    return results
-
-
-def _CheckStyle(input_api, output_api):
-    style_checker_path = input_api.os_path.join(input_api.PresubmitLocalPath(), '..', 'blink',
-                                                'tools', 'check_blink_style.py')
-    args = [input_api.python_executable, style_checker_path, '--diff-files']
-    files = []
-    for f in input_api.AffectedFiles():
-        file_path = f.LocalPath()
-        # Filter out changes in LayoutTests.
-        if 'LayoutTests' + input_api.os_path.sep in file_path and 'TestExpectations' not in file_path:
-            continue
-        files.append(input_api.os_path.join('..', '..', file_path))
-    # Do not call check_blink_style.py with empty affected file list if all
-    # input_api.AffectedFiles got filtered.
-    if not files:
-        return []
-    args += files
-    results = []
-
-    try:
-        child = input_api.subprocess.Popen(args,
-                                           stderr=input_api.subprocess.PIPE)
-        _, stderrdata = child.communicate()
-        if child.returncode != 0:
-            results.append(output_api.PresubmitError(
-                'check_blink_style.py failed', [stderrdata]))
-    except Exception as e:
-        results.append(output_api.PresubmitNotifyResult(
-            'Could not run check_blink_style.py', [str(e)]))
-
-    return results
-
-
-def CheckChangeOnUpload(input_api, output_api):
-    results = []
-    results.extend(_CommonChecks(input_api, output_api))
-    results.extend(_CheckStyle(input_api, output_api))
-    return results
-
-
-def CheckChangeOnCommit(input_api, output_api):
-    results = []
-    results.extend(_CommonChecks(input_api, output_api))
-    results.extend(input_api.canned_checks.CheckTreeIsOpen(
-        input_api, output_api,
-        json_url='http://chromium-status.appspot.com/current?format=json'))
-    results.extend(input_api.canned_checks.CheckChangeHasDescription(
-        input_api, output_api))
-    return results

third_party/WebKit/PRESUBMIT_test.py

-#!/usr/bin/env python
-# Copyright 2017 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-#
-# Note: running this test requires installing the package python-mock.
-# pylint: disable=C0103
-# pylint: disable=F0401
-import PRESUBMIT
-
-import os.path
-import subprocess
-import sys
-import unittest
-
-sys.path.append(
-    os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', 'pymock'))
-sys.path.append(
-    os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..'))
-
-import mock
-from PRESUBMIT_test_mocks import MockInputApi
-from PRESUBMIT_test_mocks import MockOutputApi
-from PRESUBMIT_test_mocks import MockAffectedFile
-
-
-class Capture(object):
-    """Class to capture a call argument that can be tested later on."""
-
-    def __init__(self):
-        self.value = None
-
-    def __eq__(self, other):
-        self.value = other
-        return True
-
-
-class PresubmitTest(unittest.TestCase):
-
-    @mock.patch('subprocess.Popen')
-    def testCheckChangeOnUploadWithWebKitAndChromiumFiles(self, _):
-        """This verifies that CheckChangeOnUpload will only call check_blink_style.py
-        on WebKit files.
-        """
-        diff_file_webkit_h = ['some diff']
-        diff_file_chromium_h = ['another diff']
-        diff_file_test_expectations = ['more diff']
-        mock_input_api = MockInputApi()
-        mock_input_api.files = [
-            MockAffectedFile('FileWebkit.h', diff_file_webkit_h),
-            MockAffectedFile('file_chromium.h', diff_file_chromium_h),
-            MockAffectedFile('LayoutTests/TestExpectations', diff_file_test_expectations)
-        ]
-        # Access to a protected member _CheckStyle
-        # pylint: disable=W0212
-        PRESUBMIT._CheckStyle(mock_input_api, MockOutputApi())
-        capture = Capture()
-        # pylint: disable=E1101
-        subprocess.Popen.assert_called_with(capture, stderr=-1)
-        self.assertEqual(6, len(capture.value))
-        self.assertEqual('../../FileWebkit.h', capture.value[3])
-        self.assertEqual('../../LayoutTests/TestExpectations', capture.value[5])
-
-    @mock.patch('subprocess.Popen')
-    def testCheckChangeOnUploadWithEmptyAffectedFileList(self, _):
-        """This verifies that CheckChangeOnUpload will skip calling
-        check_blink_style.py if the affected file list is empty.
-        """
-        diff_file_layout_test_html = ['more diff']
-        mock_input_api = MockInputApi()
-        mock_input_api.files = [
-            MockAffectedFile('LayoutTests/some_tests.html', diff_file_layout_test_html)
-        ]
-        # Access to a protected member _CheckStyle
-        # pylint: disable=W0212
-        PRESUBMIT._CheckStyle(mock_input_api, MockOutputApi())
-        # pylint: disable=E1101
-        subprocess.Popen.assert_not_called()
-
-if __name__ == '__main__':
-    unittest.main()