DevTools: create test infrastructure so devtools drives the test

third_party/WebKit/Source/devtools/front_end/main/Main.js

Index: third_party/WebKit/Source/devtools/front_end/main/Main.js
diff --git a/third_party/WebKit/Source/devtools/front_end/main/Main.js b/third_party/WebKit/Source/devtools/front_end/main/Main.js
index f89d2f43be82d687b1e5666e5aab821aef9ff211..1f3e3e3ac959508ebef0223470619aa8dcc353ab 100644
--- a/third_party/WebKit/Source/devtools/front_end/main/Main.js
+++ b/third_party/WebKit/Source/devtools/front_end/main/Main.js
@@ -149,7 +149,7 @@ Main.Main = class {
    * @suppressGlobalPropertiesCheck
    */
   _createAppUI() {
-    console.time('Main._createAppUI');
+    Main.time('Main._createAppUI');
 
     UI.viewManager = new UI.ViewManager();
 
@@ -218,7 +218,7 @@ Main.Main = class {
     this._registerMessageSinkListener();
 
     self.runtime.extension(Common.AppProvider).instance().then(this._showAppUI.bind(this));
-    console.timeEnd('Main._createAppUI');
+    Main.timeEnd('Main._createAppUI');
   }
 
   /**
@@ -226,7 +226,7 @@ Main.Main = class {
    * @suppressGlobalPropertiesCheck
    */
   _showAppUI(appProvider) {
-    console.time('Main._showAppUI');
+    Main.time('Main._showAppUI');
     var app = /** @type {!Common.AppProvider} */ (appProvider).createApp();
     // It is important to kick controller lifetime after apps are instantiated.
     Components.dockController.initialize();
@@ -265,17 +265,17 @@ Main.Main = class {
 
     // Allow UI cycles to repaint prior to creating connection.
     setTimeout(this._initializeTarget.bind(this), 0);
-    console.timeEnd('Main._showAppUI');
+    Main.timeEnd('Main._showAppUI');
   }
 
   _initializeTarget() {
-    console.time('Main._initializeTarget');
+    Main.time('Main._initializeTarget');
     SDK.targetManager.connectToMainTarget(webSocketConnectionLost);
 
     InspectorFrontendHost.readyForTest();
     // Asynchronously run the extensions.
     setTimeout(this._lateInitialization.bind(this), 100);
-    console.timeEnd('Main._initializeTarget');
+    Main.timeEnd('Main._initializeTarget');
 
     function webSocketConnectionLost() {
       if (!Main._disconnectedScreenWithReasonWasShown)
@@ -959,4 +959,22 @@ Main.ShowMetricsRulersSettingUI = class {
   }
 };
 
+/**
+ * @param {string} label
+ */
+Main.time = function(label) {
+  if (Host.isUnderTest())
+    return;
+  console.time(label);
+};
+
+/**
+ * @param {string} label
+ */
+Main.timeEnd = function(label) {
+  if (Host.isUnderTest())
+    return;
+  console.timeEnd(label);
+};
+
 new Main.Main();