Remove user gesture tracking

sky/engine/core/frame/LocalDOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 59 matching lines @@
 #include "sky/engine/core/inspector/InspectorTraceEvents.h"
 #include "sky/engine/core/loader/FrameLoaderClient.h"
 #include "sky/engine/core/page/Chrome.h"
 #include "sky/engine/core/page/ChromeClient.h"
 #include "sky/engine/core/page/EventHandler.h"
 #include "sky/engine/core/page/Page.h"
 #include "sky/engine/core/page/WindowFocusAllowedIndicator.h"
 #include "sky/engine/core/rendering/style/RenderStyle.h"
 #include "sky/engine/platform/EventDispatchForbiddenScope.h"
 #include "sky/engine/platform/PlatformScreen.h"
-#include "sky/engine/platform/UserGestureIndicator.h"
 #include "sky/engine/platform/geometry/FloatRect.h"
 #include "sky/engine/platform/weborigin/KURL.h"
 #include "sky/engine/platform/weborigin/SecurityPolicy.h"
 #include "sky/engine/public/platform/Platform.h"
 #include "sky/engine/core/inspector/ScriptCallStack.h"
 #include "sky/engine/wtf/MainThread.h"
 #include "sky/engine/wtf/MathExtras.h"
 #include "sky/engine/wtf/text/WTFString.h"
 
 using std::min;
@@ skipping 690 matching lines @@
 {
     return static_cast<DOMWindowLifecycleNotifier&>(LifecycleContext<LocalDOMWindow>::lifecycleNotifier());
 }
 
 PassOwnPtr<LifecycleNotifier<LocalDOMWindow> > LocalDOMWindow::createLifecycleNotifier()
 {
     return DOMWindowLifecycleNotifier::create(this);
 }
 
 } // namespace blink