Revert of Introduce mkgrokdump to update tools/v8heapconst.py.

test/mkgrokdump/testcfg.py

-# Copyright 2017 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import os
-import difflib
-
-from testrunner.local import testsuite
-from testrunner.objects import testcase
-
-
-class MkGrokdump(testsuite.TestSuite):
-
-  def __init__(self, name, root):
-    super(MkGrokdump, self).__init__(name, root)
-
-  def ListTests(self, context):
-    test = testcase.TestCase(self, self.shell())
-    return [test]
-
-  def GetFlagsForTestCase(self, testcase, context):
-    return []
-
-  def IsFailureOutput(self, testcase):
-    output = testcase.output
-    v8_path = os.path.dirname(os.path.dirname(os.path.abspath(self.root)))
-    expected_path = os.path.join(v8_path, "tools", "v8heapconst.py")
-    with open(expected_path) as f:
-      expected = f.read()
-    if expected != output.stdout:
-      if "generated from a non-shipping build" in output.stdout:
-        return False
-      assert "generated from a shipping build" in output.stdout
-      expected_lines = expected.splitlines()
-      actual_lines = output.stdout.splitlines()
-      output.stdout = "%s differs from mkgrokdump output:\n\n" % expected_path
-      output.stdout += '\n'.join(difflib.unified_diff(expected_lines, actual_lines))
-      return True
-    return False
-
-  def shell(self):
-    return "mkgrokdump"
-
-def GetSuite(name, root):
-  return MkGrokdump(name, root)