Rename isolated_output to test_output and add a method to get the test_output directory.

webrtc/test/BUILD.gn

 # Copyright (c) 2014 The WebRTC 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 in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("../webrtc.gni")
 import("//build/config/ui.gni")
@@ skipping 217 matching lines @@
 
     if (is_ios) {
       deps += [ "../sdk:objc_common" ]
     }
 
     if (rtc_use_memcheck) {
       data = valgrind_webrtc_dependencies
     }
   }
 
-  rtc_source_set("test_support_isolated_output") {
+  rtc_source_set("test_support_test_output") {
     testonly = true
     sources = [
-      "testsupport/isolated_output.cc",
-      "testsupport/isolated_output.h",
+      "testsupport/test_output.cc",
+      "testsupport/test_output.h",
     ]
     deps = [
       ":fileutils",
       "../rtc_base:rtc_base_approved",
       "//third_party/gflags",
     ]
   }
 
   test_support_unittests_resources = [
     "../../resources/foreman_cif_short.yuv",
@@ skipping 26 matching lines @@
       "../rtc_base:rtc_base_approved",
       "../system_wrappers",
     ]
     sources = [
       "fake_audio_device_unittest.cc",
       "fake_network_pipe_unittest.cc",
       "frame_generator_unittest.cc",
       "rtp_file_reader_unittest.cc",
       "rtp_file_writer_unittest.cc",
       "testsupport/always_passing_unittest.cc",
-      "testsupport/isolated_output_unittest.cc",
       "testsupport/metrics/video_metrics_unittest.cc",
       "testsupport/packet_reader_unittest.cc",
       "testsupport/perf_test_unittest.cc",
+      "testsupport/test_output_unittest.cc",
       "testsupport/y4m_frame_writer_unittest.cc",
       "testsupport/yuv_frame_reader_unittest.cc",
       "testsupport/yuv_frame_writer_unittest.cc",
     ]
 
     # TODO(jschuh): Bug 1348: fix this warning.
     configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
     if (is_win) {
       # virtual override w/different const/volatile signature.
@@ skipping 13 matching lines @@
 
     if (is_ios) {
       deps += [ ":test_support_unittests_bundle_data" ]
     }
 
     deps += [
       ":direct_transport",
       ":fileutils_unittests",
       ":test_common",
       ":test_main",
-      ":test_support_isolated_output",
+      ":test_support_test_output",
       ":video_test_common",
       ":video_test_support",
       "../modules/video_capture",
       "//testing/gmock",
       "//testing/gtest",
       "//third_party/gflags",
     ]
   }
 }
 
@@ skipping 267 matching lines @@
     java_files = [
       "android/org/webrtc/native_test/RTCNativeUnitTest.java",
       "android/org/webrtc/native_test/RTCNativeUnitTestActivity.java",
     ]
     deps = [
       "../rtc_base:base_java",
       "//testing/android/native_test:native_test_java",
     ]
   }
 }