Disable scroll anchoring when in printing mode

third_party/WebKit/Source/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.
@@ skipping 410 matching lines @@
     : ContainerNode(0, CreateDocument),
       TreeScope(*this),
       m_hasNodesWithPlaceholderStyle(false),
       m_evaluateMediaQueriesOnStyleRecalc(false),
       m_pendingSheetLayout(NoLayoutWithPendingSheets),
       m_frame(initializer.frame()),
       m_domWindow(m_frame ? m_frame->localDOMWindow() : 0),
       m_importsController(initializer.importsController()),
       m_contextFeatures(ContextFeatures::defaultSwitch()),
       m_wellFormed(false),
-      m_printing(false),
-      m_wasPrinting(false),
+      m_printing(NotPrinting),
       m_paginatedForScreen(false),
       m_compatibilityMode(NoQuirksMode),
       m_compatibilityModeLocked(false),
       m_executeScriptsWaitingForResourcesTask(CancellableTaskFactory::create(
           this,
           &Document::executeScriptsWaitingForResources)),
       m_hasAutofocused(false),
       m_clearFocusedElementTimer(this,
                                  &Document::clearFocusedElementTimerFired),
       m_domTreeVersion(++s_globalTreeVersion),
@@ skipping 1486 matching lines @@
 
   view()->recalcOverflowAfterStyleChange();
 
   // Only retain the HashMap for the duration of StyleRecalc and
   // LayoutTreeConstruction.
   m_nonAttachedStyle.clear();
   clearChildNeedsStyleRecalc();
 
   resolver.clearStyleSharingList();
 
-  m_wasPrinting = m_printing;
-
   DCHECK(!needsStyleRecalc());
   DCHECK(!childNeedsStyleRecalc());
   DCHECK(inStyleRecalc());
   DCHECK_EQ(styleResolver(), &resolver);
   DCHECK(m_nonAttachedStyle.isEmpty());
   m_lifecycle.advanceTo(DocumentLifecycle::StyleClean);
   if (shouldRecordStats) {
     TRACE_EVENT_END2("blink,blink_style", "Document::updateStyle",
                      "resolverAccessCount",
                      styleEngine().styleForElementCount() - initialElementCount,
@@ skipping 4450 matching lines @@
 }
 
 void showLiveDocumentInstances() {
   WeakDocumentSet& set = liveDocumentSet();
   fprintf(stderr, "There are %u documents currently alive:\n", set.size());
   for (Document* document : set)
     fprintf(stderr, "- Document %p URL: %s\n", document,
             document->url().getString().utf8().data());
 }
 #endif