[Streams] Remove eslint presubmit

The Streams implementation in Blink no longer uses JavaScript, so the
eslint presubmit check is no longer necessary. Remove it.

Change-Id: Ibd9362f6eb37175851df262e843a58712ef1b1a1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2237566Reviewed-by: Yutaka Hirano <yhirano@chromium.org>
Commit-Queue: Adam Rice <ricea@chromium.org>
Cr-Commit-Position: refs/heads/master@{#776848}

third_party/blink/renderer/core/streams/.eslintrc.js

-// ESLint rules for the Blink streams implementation.
-// Based on the devtools rules, with extensive additions and modifications to
-// reflect existing usage.
-
-// eslint-disable-next-line no-undef
-module.exports = {
-  root: true,
-
-  env: {browser: true, es6: true},
-
-  parserOptions: {ecmaVersion: 8},
-
-  // ESLint rules
-  //
-  // All available rules: http://eslint.org/docs/rules/
-  //
-  // All rules should have severity "error". For individual exceptions, use
-  // comments like:
-  // eslint-disable-next-line no-console
-  //
-  // If a rule is causing problems in multiple places, just remove it.
-  rules: {
-    // syntax preferences
-    quotes: [
-      'error', 'single',
-      {avoidEscape: true, allowTemplateLiterals: true}
-    ],
-    semi: 'error',
-    'no-extra-semi': 'error',
-    'comma-style': ['error', 'last'],
-    'wrap-iife': ['error', 'inside'],
-    'spaced-comment': 'error',
-    eqeqeq: 'error',
-    'accessor-pairs':
-        ['error', {getWithoutSet: false, setWithoutGet: false}],
-    curly: ['error', 'all'],
-    'new-parens': 'error',
-    'func-call-spacing': 'error',
-    'arrow-parens': ['error', 'as-needed'],
-
-    'max-len': ['error', {code: 80, ignoreUrls: true}],
-
-    // Security
-    strict: ['error', 'function'],
-
-    // no
-    'no-alert': 'error',
-    'no-caller': 'error',
-    'no-cond-assign': 'error',
-    'no-console': 'error',
-    'no-debugger': 'error',
-    'no-dupe-args': 'error',
-    'no-dupe-keys': 'error',
-    'no-duplicate-case': 'error',
-    'no-else-return': 'error',
-    'no-empty': 'error',
-    'no-empty-character-class': 'error',
-    'no-empty-pattern': 'error',
-    'no-eq-null': 'error',
-    'no-ex-assign': 'error',
-    'no-extra-boolean-cast': 'error',
-    'no-extra-parens': [
-      'error', 'all', {
-        conditionalAssign: false,
-        nestedBinaryExpressions: false,
-        returnAssign: false
-      }
-    ],
-    'no-eval': 'error',
-    'no-fallthrough': 'error',
-    'no-floating-decimal': 'error',
-    'no-func-assign': 'error',
-    'no-implied-eval': 'error',
-    'no-implicit-coercion': 'error',
-    'no-implicit-globals': 'error',
-    'no-inner-declarations': 'off',
-    'no-invalid-regexp': 'error',
-    'no-irregular-whitespace': 'error',
-    'no-labels': 'error',
-    'no-loop-func': 'off',
-    'no-magic-numbers': 'off',
-    'no-multi-str': 'error',
-    'no-negated-in-lhs': 'error',
-    'no-new-func': 'error',
-    'no-new-wrappers': 'error',
-    'no-new-object': 'error',
-    'no-octal': 'error',
-    'no-octal-escape': 'error',
-    'no-self-compare': 'error',
-    'no-sequences': 'error',
-    'no-shadow-restricted-names': 'error',
-    'no-sparse-arrays': 'error',
-    'no-undef': 'error',
-    'no-unexpected-multiline': 'error',
-    'no-unsafe-finally': 'error',
-    'no-unreachable': 'error',
-    'no-unsafe-negation': 'error',
-    'no-unused-vars': 'error',
-    'no-useless-call': 'error',
-    'no-useless-concat': 'error',
-    'no-useless-escape': 'error',
-    'no-void': 'error',
-    'no-with': 'error',
-    radix: 'error',
-    'use-isnan': 'error',
-    'valid-typeof': 'error',
-
-    // ES6
-    'no-const-assign': 'error',
-    'no-dupe-class-members': 'error',
-    'no-new-symbol': 'error',
-    'no-this-before-super': 'error',
-    'no-var': 'error',
-    'prefer-const': 'error',
-    'prefer-rest-params': 'error',
-    'prefer-spread': 'error',
-    'template-curly-spacing': ['error', 'never'],
-
-    // spacing details
-    'space-infix-ops': 'error',
-    'space-in-parens': ['error', 'never'],
-    'no-whitespace-before-property': 'error',
-    'keyword-spacing': [
-      'error', {
-        overrides: {
-          if: {after: true},
-          else: {after: true},
-          for: {after: true},
-          while: {after: true},
-          do: {after: true},
-          switch: {after: true},
-          return: {after: true}
-        }
-      }
-    ],
-    'arrow-spacing': ['error', {after: true, before: true}],
-    'one-var': ['error', 'never'],
-    'operator-assignment': ['error', 'always'],
-    'operator-linebreak': ['error', 'after'],
-    'padded-blocks': ['error', 'never'],
-    'space-before-blocks': ['error', 'always'],
-    'space-before-function-paren': ['error', 'never'],
-    'space-unary-ops': ['error', {words: true, nonwords: false}],
-
-    // file whitespace
-    'no-multiple-empty-lines': 'error',
-    'no-mixed-spaces-and-tabs': 'error',
-    'no-trailing-spaces': 'error',
-    'linebreak-style': ['error', 'unix'],
-
-    indent: ['error', 2, {SwitchCase: 1}],
-
-    'brace-style': ['error', '1tbs', {allowSingleLine: true}],
-
-    'key-spacing': [
-      'error', {beforeColon: false, afterColon: true, mode: 'strict'}
-    ],
-
-    'quote-props': ['error', 'as-needed'],
-
-    'unicode-bom': ['error', 'never']
-  }
-};

third_party/blink/renderer/core/streams/PRESUBMIT.py

-# Copyright (c) 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.
-
-# pylint: disable=invalid-name,import-error
-"""Run eslint on the Streams API Javascript files.
-
-See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
-for more details about the presubmit API built into depot_tools, and see
-https://chromium.googlesource.com/chromium/src/+/master/styleguide/web/web.md
-for the rules we're checking against here.
-"""
-
-
-def CheckChangeOnUpload(input_api, output_api):
-    return common_checks(input_api, output_api)
-
-
-def CheckChangeOnCommit(input_api, output_api):
-    return common_checks(input_api, output_api)
-
-
-def common_checks(input_api, output_api):
-    import sys
-    web_dev_style_path = input_api.os_path.join(
-        input_api.change.RepositoryRoot(), 'tools')
-    oldpath = sys.path
-    sys.path = [input_api.PresubmitLocalPath(), web_dev_style_path] + sys.path
-    from web_dev_style import js_checker
-    sys.path = oldpath
-
-    def is_resource(maybe_resource):
-        return maybe_resource.AbsoluteLocalPath().endswith('.js')
-
-    return js_checker.JSChecker(
-        input_api, output_api, file_filter=is_resource).RunChecks()