Remove explicit bounds check from CSSValueList::item

Source/core/css/resolver/StyleBuilderCustom.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  * 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/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
@@ skipping 205 matching lines @@
 }
 
 void StyleBuilderFunctions::applyValueCSSPropertyCursor(StyleResolverState& state, CSSValue* value)
 {
     state.style()->clearCursorList();
     if (value->isValueList()) {
         CSSValueList* list = toCSSValueList(value);
         int len = list->length();
         state.style()->setCursor(CURSOR_AUTO);
         for (int i = 0; i < len; i++) {
-            CSSValue* item = list->itemWithoutBoundsCheck(i);
+            CSSValue* item = list->item(i);
             if (item->isCursorImageValue()) {
                 CSSCursorImageValue* image = toCSSCursorImageValue(item);
                 if (image->updateIfSVGCursorIsUsed(state.element())) // Elements with SVG cursors are not allowed to share style.
                     state.style()->setUnique();
                 state.style()->addCursor(state.styleImage(CSSPropertyCursor, image), image->hotSpot());
             } else {
                 state.style()->setCursor(*toCSSPrimitiveValue(item));
             }
         }
     } else {
@@ skipping 786 matching lines @@
 }
 
 void StyleBuilderFunctions::applyValueCSSPropertyWebkitTextEmphasisStyle(StyleResolverState& state, CSSValue* value)
 {
     if (value->isValueList()) {
         CSSValueList* list = toCSSValueList(value);
         ASSERT(list->length() == 2);
         if (list->length() != 2)
             return;
         for (unsigned i = 0; i < 2; ++i) {
-            CSSValue* item = list->itemWithoutBoundsCheck(i);
+            CSSValue* item = list->item(i);
             if (!item->isPrimitiveValue())
                 continue;
 
             CSSPrimitiveValue* value = toCSSPrimitiveValue(item);
             if (value->getValueID() == CSSValueFilled || value->getValueID() == CSSValueOpen)
                 state.style()->setTextEmphasisFill(*value);
             else
                 state.style()->setTextEmphasisMark(*value);
         }
         state.style()->setTextEmphasisCustomMark(nullAtom);
@@ skipping 341 matching lines @@
         default:
             break;
         }
     } else {
         svgStyle->setBaselineShift(BS_LENGTH);
         svgStyle->setBaselineShiftValue(SVGLength::fromCSSPrimitiveValue(primitiveValue));
     }
 }
 
 } // namespace WebCore