Remove TestWebKitPort from port_testcase.

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/browser_test_driver_unittest.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/browser_test_driver_unittest.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/browser_test_driver_unittest.py b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/browser_test_driver_unittest.py
index f0266b8d7d3395592ee54e5295bbcae01734f0c7..1057ab32847630c6f1661d5c8413024beba96f2a 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/browser_test_driver_unittest.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/browser_test_driver_unittest.py
@@ -28,23 +28,17 @@
 
 import unittest
 
-from webkitpy.common.system.systemhost_mock import MockSystemHost
-
-from webkitpy.layout_tests.port.base import Port
-from webkitpy.layout_tests.port.driver import Driver
-from webkitpy.layout_tests.port.driver import DriverOutput
-from webkitpy.layout_tests.port import browser_test
-from webkitpy.layout_tests.port import browser_test_driver
+from webkitpy.common.host_mock import MockHost
+from webkitpy.layout_tests.port.test import TestPort
+from webkitpy.layout_tests.port.browser_test_driver import BrowserTestDriver
 from webkitpy.layout_tests.port.server_process_mock import MockServerProcess
 
-from webkitpy.layout_tests.port.port_testcase import TestWebKitPort
-
 
 class BrowserTestDriverTest(unittest.TestCase):
 
     def test_read_stdin_path(self):
-        port = TestWebKitPort()
-        driver = browser_test_driver.BrowserTestDriver(port, 0, pixel_tests=True)
+        port = TestPort(MockHost())
+        driver = BrowserTestDriver(port, 0, pixel_tests=True)
         driver._server_process = MockServerProcess(lines=[
             'StdinPath: /foo/bar', '#EOF'])
         content_block = driver._read_block(0)