DevTools: improve test infrastructure w/ devtools driving the test

third_party/WebKit/Source/devtools/BUILD.gn

Index: third_party/WebKit/Source/devtools/BUILD.gn
diff --git a/third_party/WebKit/Source/devtools/BUILD.gn b/third_party/WebKit/Source/devtools/BUILD.gn
index 582de160d134c255461c5c4eabae3c7afc9291fc..2527d6ca283ff0230ae3ad1ff8d91e02e46d8a9d 100644
--- a/third_party/WebKit/Source/devtools/BUILD.gn
+++ b/third_party/WebKit/Source/devtools/BUILD.gn
@@ -266,6 +266,13 @@ all_devtools_files = [
   "front_end/inline_editor/SwatchPopoverHelper.js",
   "front_end/inspector.js",
   "front_end/inspector.json",
+  "front_end/integration_test_runner.js",
+  "front_end/integration_test_runner.json",
+  "front_end/integration_test/IntegrationTest.js",
+  "front_end/integration_test/module.json",
+  "front_end/integration_test_runner/ConsoleTestRunner.js",
+  "front_end/integration_test_runner/IntegrationTestRunner.js",
+  "front_end/integration_test_runner/module.json",
   "front_end/layer_viewer/layerDetailsView.css",
   "front_end/layer_viewer/LayerDetailsView.js",
   "front_end/layer_viewer/layers3DView.css",
@@ -291,6 +298,7 @@ all_devtools_files = [
   "front_end/main/RenderingOptions.js",
   "front_end/main/RequestAppBannerActionDelegate.js",
   "front_end/main/SimpleApp.js",
+  "front_end/main/Timer.js",
   "front_end/main/targetCrashedScreen.css",
   "front_end/network/blockedURLsPane.css",
   "front_end/network/BlockedURLsPane.js",
@@ -872,6 +880,7 @@ generated_remote_modules = [
 devtools_applications = [
   "inspector",
   "toolbox",
+  "integration_test_runner",
   "unit_test_runner",
   "formatter_worker",
   "audits2_worker",
@@ -1024,6 +1033,7 @@ action("build_release_devtools") {
   inputs = helper_scripts + all_devtools_files + generated_scripts + [
              "front_end/inspector.html",
              "front_end/toolbox.html",
+             "front_end/integration_test_runner.html",
              "front_end/unit_test_runner.html",
            ]