Revert of "Speculatively launch Service Workers on mouse/touch events."

third_party/WebKit/Source/web/WebRuntimeFeatures.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 224 matching lines @@
 }
 
 void WebRuntimeFeatures::enableSlimmingPaintV2(bool enable) {
   RuntimeEnabledFeatures::setSlimmingPaintV2Enabled(enable);
 }
 
 void WebRuntimeFeatures::enableSlimmingPaintInvalidation(bool enable) {
   RuntimeEnabledFeatures::setSlimmingPaintInvalidationEnabled(enable);
 }
 
-void WebRuntimeFeatures::enableSpeculativeLaunchServiceWorker(bool enable) {
-  RuntimeEnabledFeatures::setSpeculativeLaunchServiceWorkerEnabled(enable);
-}
-
 void WebRuntimeFeatures::enableTouchEventFeatureDetection(bool enable) {
   RuntimeEnabledFeatures::setTouchEventFeatureDetectionEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableTouchpadAndWheelScrollLatching(bool enable) {
   RuntimeEnabledFeatures::setTouchpadAndWheelScrollLatchingEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableWebGLDraftExtensions(bool enable) {
   RuntimeEnabledFeatures::setWebGLDraftExtensionsEnabled(enable);
@@ skipping 127 matching lines @@
 
 void WebRuntimeFeatures::enableVideoFullscreenDetection(bool enable) {
   RuntimeEnabledFeatures::setVideoFullscreenDetectionEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableMediaControlsOverlayPlayButton(bool enable) {
   RuntimeEnabledFeatures::setMediaControlsOverlayPlayButtonEnabled(enable);
 }
 
 }  // namespace blink