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 949c8444908830089abfcc3eeb5d1b9dbf0dfc5e..217e11c7457f8781e86805d8a7aee7ebe9b06811 100644
--- a/third_party/WebKit/Source/devtools/front_end/main/Main.js
+++ b/third_party/WebKit/Source/devtools/front_end/main/Main.js
@@ -47,6 +47,24 @@ Main.Main = class {
     SDK.ResourceTreeModel.reloadAllPages(hard);
   }
 
+  /**
+   * @param {string} label
+   */
+  static time(label) {
+    if (Host.isUnderTest())
+      return;
+    console.time(label);
+  }
+
+  /**
+   * @param {string} label
+   */
+  static timeEnd(label) {
+    if (Host.isUnderTest())
+      return;
+    console.timeEnd(label);
+  }
+
   _loaded() {
     console.timeStamp('Main._loaded');
     Runtime.setPlatform(Host.platform());
@@ -149,7 +167,7 @@ Main.Main = class {
    * @suppressGlobalPropertiesCheck
    */
   _createAppUI() {
-    console.time('Main._createAppUI');
+    Main.Main.time('Main._createAppUI');
 
     UI.viewManager = new UI.ViewManager();
 
@@ -218,7 +236,7 @@ Main.Main = class {
     this._registerMessageSinkListener();
 
     self.runtime.extension(Common.AppProvider).instance().then(this._showAppUI.bind(this));
-    console.timeEnd('Main._createAppUI');
+    Main.Main.timeEnd('Main._createAppUI');
   }
 
   /**
@@ -226,7 +244,7 @@ Main.Main = class {
    * @suppressGlobalPropertiesCheck
    */
   _showAppUI(appProvider) {
-    console.time('Main._showAppUI');
+    Main.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 +283,17 @@ Main.Main = class {
 
     // Allow UI cycles to repaint prior to creating connection.
     setTimeout(this._initializeTarget.bind(this), 0);
-    console.timeEnd('Main._showAppUI');
+    Main.Main.timeEnd('Main._showAppUI');
   }
 
   _initializeTarget() {
-    console.time('Main._initializeTarget');
+    Main.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.Main.timeEnd('Main._initializeTarget');
 
     function webSocketConnectionLost() {
       if (!Main._disconnectedScreenWithReasonWasShown)