Remove explicit bounds check from CSSValueList::item

Source/core/css/FontFace.cpp

Index: Source/core/css/FontFace.cpp
diff --git a/Source/core/css/FontFace.cpp b/Source/core/css/FontFace.cpp
index c12f49e72675b61aa48061826edf9e6868701392..31e7ad8f328dd06bb1c856da405d7a637d06338d 100644
--- a/Source/core/css/FontFace.cpp
+++ b/Source/core/css/FontFace.cpp
@@ -319,7 +319,7 @@ bool FontFace::setFamilyValue(CSSValueList* familyList)
     if (familyList->length() != 1)
         return false;
 
-    CSSPrimitiveValue* familyValue = toCSSPrimitiveValue(familyList->itemWithoutBoundsCheck(0));
+    CSSPrimitiveValue* familyValue = toCSSPrimitiveValue(familyList->item(0));
     AtomicString family;
     if (familyValue->isString()) {
         family = AtomicString(familyValue->getStringValue());
@@ -515,7 +515,7 @@ FontTraits FontFace::traits() const
             return 0;
 
         for (unsigned i = 0; i < numVariants; ++i) {
-            switch (toCSSPrimitiveValue(variantList->itemWithoutBoundsCheck(i))->getValueID()) {
+            switch (toCSSPrimitiveValue(variantList->item(i))->getValueID()) {
             case CSSValueNormal:
                 variant = FontVariantNormal;
                 break;
@@ -537,7 +537,7 @@ static PassOwnPtrWillBeRawPtr<CSSFontFace> createCSSFontFace(FontFace* fontFace,
     if (CSSValueList* rangeList = toCSSValueList(unicodeRange)) {
         unsigned numRanges = rangeList->length();
         for (unsigned i = 0; i < numRanges; i++) {
-            CSSUnicodeRangeValue* range = toCSSUnicodeRangeValue(rangeList->itemWithoutBoundsCheck(i));
+            CSSUnicodeRangeValue* range = toCSSUnicodeRangeValue(rangeList->item(i));
             ranges.append(CSSFontFace::UnicodeRange(range->from(), range->to()));
         }
     }
@@ -557,7 +557,7 @@ void FontFace::initCSSFontFace(Document* document, PassRefPtrWillBeRawPtr<CSSVal
 
     for (int i = 0; i < srcLength; i++) {
         // An item in the list either specifies a string (local font name) or a URL (remote font to download).
-        CSSFontFaceSrcValue* item = toCSSFontFaceSrcValue(srcList->itemWithoutBoundsCheck(i));
+        CSSFontFaceSrcValue* item = toCSSFontFaceSrcValue(srcList->item(i));
         OwnPtrWillBeRawPtr<CSSFontFaceSource> source = nullptr;
 
 #if ENABLE(SVG_FONTS)