[test] Remove obsolete test262 archive extract

The archiving was removed as part of:
https://crrev.com/c/983573

Bug: v8:5881
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I0c991d4c56c760e6d6ddcaa392e003a46ff96672
Reviewed-on: https://chromium-review.googlesource.com/983772Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52279}

.gitignore

@@ -50,7 +50,6 @@
 /test/fuzzer/wasm_corpus.tar.gz
 /test/mozilla/data
 /test/test262/data
-/test/test262/data.tar
 /test/test262/harness
 /test/wasm-js
 /test/wasm-spec-tests/tests

.gn

@@ -21,5 +21,4 @@ check_targets = []
 # These are the list of GN files that run exec_script. This whitelist exists
 # to force additional review for new uses of exec_script, which is strongly
 # discouraged except for gypi_to_gn calls.
-exec_script_whitelist =
-    build_dotfile_settings.exec_script_whitelist + [ "//test/test262/BUILD.gn" ]
+exec_script_whitelist = build_dotfile_settings.exec_script_whitelist + []

test/test262/testcfg.py

@@ -31,7 +31,6 @@ import itertools
 import os
 import re
 import sys
-import tarfile
 
 from testrunner.local import statusfile
 from testrunner.local import testsuite
@@ -58,7 +57,6 @@ FEATURE_FLAGS = {
 SKIPPED_FEATURES = set([])
 
 DATA = os.path.join(os.path.dirname(os.path.abspath(__file__)), "data")
-ARCHIVE = DATA + ".tar"
 
 TEST_262_HARNESS_FILES = ["sta.js", "assert.js"]
 TEST_262_NATIVE_FILES = ["detachArrayBuffer.js"]
@@ -102,25 +100,8 @@ class TestSuite(testsuite.TestSuite):
                     for f in TEST_262_HARNESS_FILES]
     self.harness += [os.path.join(self.root, "harness-adapt.js")]
     self.localtestroot = os.path.join(self.root, *TEST_262_LOCAL_TESTS_PATH)
-
-    self._extract_sources()
     self.parse_test_record = self._load_parse_test_record()
 
-  def _extract_sources(self):
-    # The archive is created only on swarming. Local checkouts have the
-    # data folder.
-    if (os.path.exists(ARCHIVE) and
-        # Check for a JS file from the archive if we need to unpack. Some other
-        # files from the archive unfortunately exist due to a bug in the
-        # isolate_processor.
-        # TODO(machenbach): Migrate this to GN to avoid using the faulty
-        # isolate_processor: http://crbug.com/669910
-        not os.path.exists(os.path.join(DATA, 'test', 'harness', 'error.js'))):
-      print "Extracting archive..."
-      tar = tarfile.open(ARCHIVE)
-      tar.extractall(path=os.path.dirname(ARCHIVE))
-      tar.close()
-
   def _load_parse_test_record(self):
     root = os.path.join(self.root, *TEST_262_TOOLS_PATH)
     f = None