DevTools: Fix focus handling in debug mode.

BUG=423320
R=pfeldman, loislo

Review URL: https://codereview.chromium.org/660483002

git-svn-id: svn://svn.chromium.org/blink/trunk@183748 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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

@@ -127,6 +127,7 @@ WebInspector.Main.prototype = {
     {
         console.timeStamp("Main._loaded");
 
+        WebInspector.initializeUIUtils();
         this._createSettings();
         this._createAppUI();
     },

third_party/WebKit/Source/devtools/front_end/ui/UIUtils.js

@@ -1071,17 +1071,10 @@ WebInspector.LongClickController.prototype = {
     __proto__: WebInspector.Object.prototype
 }
 
-;(function() {
-
-function windowLoaded()
+WebInspector.initializeUIUtils = function()
 {
     window.addEventListener("focus", WebInspector._windowFocused, false);
     window.addEventListener("blur", WebInspector._windowBlurred, false);
     document.addEventListener("focus", WebInspector._focusChanged, true);
     document.addEventListener("blur", WebInspector._documentBlurred, true);
-    window.removeEventListener("DOMContentLoaded", windowLoaded, false);
 }
-
-window.addEventListener("DOMContentLoaded", windowLoaded, false);
-
-})();