webkitpy: Override TEMPDIR for Xvfb.

third_party/WebKit/Tools/Scripts/webkitpy/tool/commands/rebaseline_unittest.py

 # Copyright 2016 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.
 
 import json
 import optparse
 import unittest
 
 from webkitpy.common.net.buildbot import Build
 from webkitpy.common.net.layout_test_results import LayoutTestResults
@@ skipping 1120 matching lines @@
         num_previous_calls = len(self.calls)
         command_outputs = []
         for cmd_line, cwd in commands:
             out = self.run_command(cmd_line, cwd=cwd)
             if 'rebaseline-test-internal' in cmd_line:
                 test = cmd_line[cmd_line.index('--test') + 1]
                 port_name = cmd_line[cmd_line.index('--port-name') + 1]
                 out = json.dumps({'remove-lines': [{'test': test, 'port_name': port_name}]})
             command_outputs.append([0, out, ''])
 
-        new_calls = self.calls[num_previous_calls:]
-        self.calls = self.calls[:num_previous_calls]
-        self.calls.append(new_calls)
+        new_calls = self.full_calls[num_previous_calls:]
+        self.full_calls = self.full_calls[:num_previous_calls]
+        self.full_calls.append(new_calls)
         return command_outputs
 
 
 class TestBaselineSetTest(unittest.TestCase):
 
     def setUp(self):
         host = MockWebKitPatch()
         host.port_factory = MockPortFactory(host)
         port = host.port_factory.get()
         base_dir = port.layout_tests_dir()
@@ skipping 38 matching lines @@
         test_baseline_set = TestBaselineSet(host=self.host)
         test_baseline_set.add('a/x.html', Build('MOCK Mac10.12'))
         test_baseline_set.add('a/x.html', Build('MOCK Win10'))
         self.assertEqual(test_baseline_set.test_prefixes(), ['a/x.html'])
         self.assertEqual(
             test_baseline_set.build_port_pairs('a/x.html'),
             [
                 (Build(builder_name='MOCK Mac10.12'), 'test-mac-mac10.12'),
                 (Build(builder_name='MOCK Win10'), 'test-win-win10')
             ])