Turn test runner library into an actual component

components/test_runner/BUILD.gn

 # Copyright 2015 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")
 if (is_android) {
   import("//build/config/android/config.gni")
 }
 
-static_library("test_runner") {
+component("test_runner") {
   testonly = true
+
+  defines = [ "TEST_RUNNER_IMPLEMENTATION" ]
+
   sources = [
     "accessibility_controller.cc",
     "accessibility_controller.h",
     "app_banner_client.cc",
     "app_banner_client.h",
     "event_sender.cc",
     "event_sender.h",
     "gamepad_controller.cc",
     "gamepad_controller.h",
     "mock_color_chooser.cc",
@@ skipping 31 matching lines @@
     "test_common.cc",
     "test_common.h",
     "test_interfaces.cc",
     "test_interfaces.h",
     "test_plugin.cc",
     "test_plugin.h",
     "test_preferences.cc",
     "test_preferences.h",
     "test_runner.cc",
     "test_runner.h",
+    "test_runner_export.h",
     "text_input_controller.cc",
     "text_input_controller.h",
     "web_ax_object_proxy.cc",
     "web_ax_object_proxy.h",
     "web_content_settings.cc",
     "web_content_settings.h",
     "web_frame_test_proxy.h",
     "web_task.cc",
     "web_task.h",
     "web_test_delegate.h",
     "web_test_interfaces.cc",
     "web_test_interfaces.h",
     "web_test_proxy.cc",
     "web_test_proxy.h",
     "web_test_runner.h",
   ]
 
   # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   deps = [
     ":resources",
     "//base",
-    "//base:base_static",
     "//cc",
     "//gin",
+    "//gpu",
     "//skia",
     "//third_party/WebKit/public:blink",
+    "//ui/events:dom_keycode_converter",
     "//ui/events:events_base",
     "//ui/gfx",
     "//ui/gfx/geometry",
+    "//url",
     "//v8",
 
     #'copy_test_netscape_plugin',  TODO(GYP)
   ]
 }
 
 # Font copies.
 if (!is_mac) {
   copy("copy_ahem") {
     visibility = [ ":*" ]
@@ skipping 62 matching lines @@
     sources = [
       "helper/layout_test_helper_mac.mm",
       "helper/layout_test_helper_win.cc",
     ]
 
     if (is_mac) {
       libs = [ "AppKit.framework" ]
     }
   }
 }