More cleanup of dead code now that we don't have frame-level scrolling.

sky/engine/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 2291 matching lines @@
         event = (*it)->create(eventType);
         if (event)
             return event.release();
     }
     exceptionState.throwDOMException(NotSupportedError, "The provided event type ('" + eventType + "') is invalid.");
     return nullptr;
 }
 
 void Document::addListenerTypeIfNeeded(const AtomicString& eventType)
 {
-    if (eventType == EventTypeNames::overflowchanged) {
-        UseCounter::countDeprecation(*this, UseCounter::OverflowChangedEvent);
-        addListenerType(OVERFLOWCHANGED_LISTENER);
-    } else if (eventType == EventTypeNames::webkitAnimationStart || (RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled() && eventType == EventTypeNames::animationstart)) {
+    if (eventType == EventTypeNames::webkitAnimationStart || (RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled() && eventType == EventTypeNames::animationstart)) {
         addListenerType(ANIMATIONSTART_LISTENER);
     } else if (eventType == EventTypeNames::webkitAnimationEnd || (RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled() && eventType == EventTypeNames::animationend)) {
         addListenerType(ANIMATIONEND_LISTENER);
     } else if (eventType == EventTypeNames::webkitAnimationIteration || (RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled() && eventType == EventTypeNames::animationiteration)) {
         addListenerType(ANIMATIONITERATION_LISTENER);
     } else if (eventType == EventTypeNames::webkitTransitionEnd || eventType == EventTypeNames::transitionend) {
         addListenerType(TRANSITIONEND_LISTENER);
     } else if (eventType == EventTypeNames::scroll) {
         addListenerType(SCROLL_LISTENER);
     }
@@ skipping 268 matching lines @@
     setParsing(false);
     dispatchEvent(Event::createBubble(EventTypeNames::DOMContentLoaded));
 
     // The loader's finishedParsing() method may invoke script that causes this object to
     // be dereferenced (when this document is in an iframe and the onload causes the iframe's src to change).
     // Keep it alive until we are done.
     RefPtr<Document> protect(this);
 
     if (RefPtr<LocalFrame> f = frame()) {
         checkCompleted();
-
-        // Check if the scrollbars are really needed for the content.
-        // If not, remove them, relayout, and repaint.
-        if (m_frame->view())
-            m_frame->view()->restoreScrollbar();
-
         TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "MarkDOMContent", "data", InspectorMarkLoadEvent::data(f.get()));
     }
 
     // Schedule dropping of the ElementDataCache. We keep it alive for a while after parsing finishes
     // so that dynamically inserted content can also benefit from sharing optimizations.
     // Note that we don't refresh the timer on cache access since that could lead to huge caches being kept
     // alive indefinitely by something innocuous like JS setting .innerHTML repeatedly on a timer.
     m_elementDataCacheClearTimer.startOneShot(10, FROM_HERE);
 
     // Parser should have picked up all preloads by now
@@ skipping 525 matching lines @@
 using namespace blink;
 void showLiveDocumentInstances()
 {
     WeakDocumentSet& set = liveDocumentSet();
     fprintf(stderr, "There are %u documents currently alive:\n", set.size());
     for (WeakDocumentSet::const_iterator it = set.begin(); it != set.end(); ++it) {
         fprintf(stderr, "- Document %p URL: %s\n", *it, (*it)->url().string().utf8().data());
     }
 }
 #endif