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

third_party/WebKit/Source/core/css/SelectorChecker.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 709 matching lines @@
     if (!checkOne(subContext, result))
       return true;
   }
   return false;
 }
 
 bool SelectorChecker::checkPseudoClass(const SelectorCheckingContext& context,
                                        MatchResult& result) const {
   Element& element = *context.element;
   const CSSSelector& selector = *context.selector;
+  bool forcePseudoState = false;
 
   if (context.hasScrollbarPseudo) {
     // CSS scrollbars match a specific subset of pseudo classes, and they have
     // specialized rules for each
     // (since there are no elements involved).
     return checkScrollbarPseudoClass(context, result);
   }
 
   switch (selector.getPseudoType()) {
     case CSSSelector::PseudoNot:
@@ skipping 174 matching lines @@
       if (m_mode == ResolvingStyle) {
         if (context.inRightmostCompound) {
           m_elementStyle->setAffectedByHover();
         } else {
           m_elementStyle->setUnique();
           element.setChildrenOrSiblingsAffectedByHover();
         }
       }
       if (!shouldMatchHoverOrActive(context))
         return false;
-      if (probe::forcePseudoState(&element, CSSSelector::PseudoHover))
+      probe::forcePseudoState(&element, CSSSelector::PseudoHover,
+                              &forcePseudoState);
+      if (forcePseudoState)
         return true;
       return element.isHovered();
     case CSSSelector::PseudoActive:
       if (m_mode == SharingRules)
         return true;
       if (m_mode == ResolvingStyle) {
         if (context.inRightmostCompound) {
           m_elementStyle->setAffectedByActive();
         } else {
           m_elementStyle->setUnique();
           element.setChildrenOrSiblingsAffectedByActive();
         }
       }
       if (!shouldMatchHoverOrActive(context))
         return false;
-      if (probe::forcePseudoState(&element, CSSSelector::PseudoActive))
+      probe::forcePseudoState(&element, CSSSelector::PseudoActive,
+                              &forcePseudoState);
+      if (forcePseudoState)
         return true;
       return element.isActive();
     case CSSSelector::PseudoEnabled:
       return element.matchesEnabledPseudoClass();
     case CSSSelector::PseudoFullPageMedia:
       return element.document().isMediaDocument();
     case CSSSelector::PseudoDefault:
       return element.matchesDefaultPseudoClass();
     case CSSSelector::PseudoDisabled:
       return element.isDisabledFormControl();
@@ skipping 361 matching lines @@
     }
     case CSSSelector::PseudoCornerPresent:
       return m_scrollbar->getScrollableArea() &&
              m_scrollbar->getScrollableArea()->isScrollCornerVisible();
     default:
       return false;
   }
 }
 
 bool SelectorChecker::matchesFocusPseudoClass(const Element& element) {
-  if (probe::forcePseudoState(const_cast<Element*>(&element),
-                              CSSSelector::PseudoFocus))
+  bool forcePseudoState = false;
+  probe::forcePseudoState(const_cast<Element*>(&element),
+                          CSSSelector::PseudoFocus, &forcePseudoState);
+  if (forcePseudoState)
     return true;
   return element.isFocused() && isFrameFocused(element);
 }
 
 }  // namespace blink