WebTestInterfaces class to chromium c++ style.

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/repack.gni")
 import("//tools/grit/grit_rule.gni")
 if (is_android) {
   import("//build/config/android/config.gni")
@@ skipping 112 matching lines @@
     "renderer/leak_detector.cc",
     "renderer/leak_detector.h",
     "renderer/shell_content_renderer_client.cc",
     "renderer/shell_content_renderer_client.h",
     "renderer/shell_render_frame_observer.cc",
     "renderer/shell_render_frame_observer.h",
     "renderer/shell_render_process_observer.cc",
     "renderer/shell_render_process_observer.h",
     "renderer/shell_render_view_observer.cc",
     "renderer/shell_render_view_observer.h",
-    "renderer/test_runner/WebTestInterfaces.cpp",
-    "renderer/test_runner/WebTestInterfaces.h",
     "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_color_chooser.cc",
     "renderer/test_runner/mock_color_chooser.h",
     "renderer/test_runner/mock_constraints.cc",
     "renderer/test_runner/mock_constraints.h",
@@ skipping 42 matching lines @@
     "renderer/test_runner/text_input_controller.cc",
     "renderer/test_runner/text_input_controller.h",
     "renderer/test_runner/web_ax_object_proxy.cc",
     "renderer/test_runner/web_ax_object_proxy.h",
     "renderer/test_runner/web_frame_test_proxy.h",
     "renderer/test_runner/web_permissions.cc",
     "renderer/test_runner/web_permissions.h",
     "renderer/test_runner/web_task.cc",
     "renderer/test_runner/web_task.h",
     "renderer/test_runner/web_test_delegate.h",
+    "renderer/test_runner/web_test_interfaces.cc",
+    "renderer/test_runner/web_test_interfaces.h",
     "renderer/test_runner/web_test_proxy.cc",
     "renderer/test_runner/web_test_proxy.h",
     "renderer/test_runner/web_test_runner.h",
     "renderer/webkit_test_runner.cc",
     "renderer/webkit_test_runner.h",
   ]
 
   defines = [ "CONTENT_SHELL_VERSION=\"$content_shell_version\"" ]
 
   public_deps = [
@@ skipping 270 matching lines @@
   if (is_android && !is_android_webview_build) {
     # Some tests rely on this tool. It might be nicer if these tests relied on
     # image diff rather than having content shell depend on it.
     datadeps = [
       "//tools/imagediff($host_toolchain)",
     ]
   }
 }
 
 }