DevTools: create test infrastructure so devtools drives 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 dfc55fb55b8bb990541d965ee1dcf66001390df1..499834658aea2409d4fdfe103c10f9c34d8da0b5 100644
--- a/third_party/WebKit/Source/devtools/BUILD.gn
+++ b/third_party/WebKit/Source/devtools/BUILD.gn
@@ -276,6 +276,11 @@ 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_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",
@@ -300,6 +305,7 @@ 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",
@@ -902,6 +908,7 @@ generated_remote_modules = [
 devtools_applications = [
   "inspector",
   "toolbox",
+  "integration_test_runner",
   "unit_test_runner",
   "formatter_worker",
   "audits2_worker",
@@ -1054,6 +1061,7 @@ 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",
            ]