Make the skipWaiting checkbox in Service Workers view unchecked by default

It is weird that the SW update behavior changes when devtools open.

BUG=466871

Review URL: https://codereview.chromium.org/1307833003

git-svn-id: svn://svn.chromium.org/blink/trunk@201037 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/devtools/front_end/resources/ServiceWorkersView.js

@@ -296,7 +296,6 @@ WebInspector.SWRegistrationElement = function(manager, originElement, registrati
     this._skipWaitingCheckboxLabel.title = WebInspector.UIString("Simulate skipWaiting()");
     this._skipWaitingCheckboxLabel.classList.add("service-workers-skip-waiting-checkbox-label");
     this._skipWaitingCheckbox = this._skipWaitingCheckboxLabel.checkboxElement;
-    this._skipWaitingCheckbox.checked = true;
     this._skipWaitingCheckbox.classList.add("service-workers-skip-waiting-checkbox");
     this._skipWaitingCheckbox.addEventListener("change", this._skipWaitingCheckboxChanged.bind(this), false);