test_runner: Rename WebTestThemeEngineMac to MockWebThemeEngineMac.

content/shell/BUILD.gn

 # Copyright 2014 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("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//tools/grit/grit_rule.gni")
 import("//tools/grit/repack.gni")
 if (is_android) {
   import("//build/config/android/config.gni")
@@ skipping 124 matching lines @@
     "renderer/test_runner/TestCommon.h",
     "renderer/test_runner/TestInterfaces.cpp",
     "renderer/test_runner/TestInterfaces.h",
     "renderer/test_runner/TestPlugin.cpp",
     "renderer/test_runner/TestPlugin.h",
     "renderer/test_runner/WebTask.cpp",
     "renderer/test_runner/WebTask.h",
     "renderer/test_runner/WebTestDelegate.h",
     "renderer/test_runner/WebTestInterfaces.cpp",
     "renderer/test_runner/WebTestInterfaces.h",
-    "renderer/test_runner/WebTestThemeEngineMac.h",
-    "renderer/test_runner/WebTestThemeEngineMac.mm",
     "renderer/test_runner/accessibility_controller.cc",
     "renderer/test_runner/accessibility_controller.h",
     "renderer/test_runner/event_sender.cc",
     "renderer/test_runner/event_sender.h",
     "renderer/test_runner/gamepad_controller.cc",
     "renderer/test_runner/gamepad_controller.h",
     "renderer/test_runner/mock_constraints.cc",
     "renderer/test_runner/mock_constraints.h",
     "renderer/test_runner/mock_grammar_check.cc",
     "renderer/test_runner/mock_grammar_check.h",
     "renderer/test_runner/mock_screen_orientation_client.cc",
     "renderer/test_runner/mock_screen_orientation_client.h",
     "renderer/test_runner/mock_spell_check.cc",
     "renderer/test_runner/mock_spell_check.h",
     "renderer/test_runner/mock_web_audio_device.cc",
     "renderer/test_runner/mock_web_audio_device.h",
     "renderer/test_runner/mock_web_push_client.cc",
     "renderer/test_runner/mock_web_push_client.h",
     "renderer/test_runner/mock_web_theme_engine.cc",
     "renderer/test_runner/mock_web_theme_engine.h",
+    "renderer/test_runner/mock_web_theme_engine_mac.h",
+    "renderer/test_runner/mock_web_theme_engine_mac.mm",
     "renderer/test_runner/mock_web_user_media_client.cc",
     "renderer/test_runner/mock_web_user_media_client.h",
     "renderer/test_runner/mock_webrtc_data_channel_handler.cc",
     "renderer/test_runner/mock_webrtc_data_channel_handler.h",
     "renderer/test_runner/mock_webrtc_dtmf_sender_handler.cc",
     "renderer/test_runner/mock_webrtc_dtmf_sender_handler.h",
     "renderer/test_runner/mock_webrtc_peer_connection_handler.cc",
     "renderer/test_runner/mock_webrtc_peer_connection_handler.h",
     "renderer/test_runner/notification_presenter.cc",
     "renderer/test_runner/notification_presenter.h",
@@ skipping 278 matching lines @@
       "//tools/imagediff($host_toolchain)",
     ]
   }
 }
 
 } else {
   # Content shell not ready, make a dummpy to make dependency management easier.
   group("content_shell") {
   }
 }