Revert of [instrumentation] Turn inspector override "probes" return values into output parameters.

third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
@@ skipping 689 matching lines @@
     if (Element* parent = element->parentElement()) {
       if (ComputedStyle* styleOfShadowHost = parent->mutableComputedStyle())
         state.style()->setUserModify(styleOfShadowHost->userModify());
     }
   }
 
   if (element->isLink()) {
     state.style()->setIsLink();
     EInsideLink linkState = state.elementLinkState();
     if (linkState != EInsideLink::kNotInsideLink) {
-      bool forceVisited = false;
-      probe::forcePseudoState(element, CSSSelector::PseudoVisited,
-                              &forceVisited);
+      bool forceVisited =
+          probe::forcePseudoState(element, CSSSelector::PseudoVisited);
       if (forceVisited)
         linkState = EInsideLink::kInsideVisitedLink;
     }
     state.style()->setInsideLink(linkState);
   }
 
   if (!baseComputedStyle) {
     document().styleEngine().ensureUAStyleForElement(*element);
 
     ElementRuleCollector collector(state.elementContext(), m_selectorFilter,
@@ skipping 1260 matching lines @@
 
 DEFINE_TRACE(StyleResolver) {
   visitor->trace(m_matchedPropertiesCache);
   visitor->trace(m_selectorFilter);
   visitor->trace(m_styleSharingLists);
   visitor->trace(m_document);
   visitor->trace(m_tracker);
 }
 
 }  // namespace blink