Fix whitespace handling in parseSimpleTransformList

third_party/WebKit/Source/core/css/parser/CSSParserFastPaths.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/parser/CSSParserFastPaths.h"
 
 #include "core/StylePropertyShorthand.h"
 #include "core/css/CSSFunctionValue.h"
 #include "core/css/CSSValuePool.h"
 #include "core/css/parser/CSSParserIdioms.h"
@@ skipping 975 matching lines @@
     return nullptr;
 }
 
 template <typename CharType>
 static CSSValueList* parseSimpleTransformList(CharType*& pos, CharType* end)
 {
     CSSValueList* transformList = nullptr;
     while (pos < end) {
         while (pos < end && isCSSSpace(*pos))
             ++pos;
+        if (pos >= end)
+            break;
         CSSFunctionValue* transformValue = parseSimpleTransformValue(pos, end);
         if (!transformValue)
             return nullptr;
         if (!transformList)
             transformList = CSSValueList::createSpaceSeparated();
         transformList->append(transformValue);
-        if (pos < end) {
-            if (isCSSSpace(*pos))
-                return nullptr;
-        }
     }
     return transformList;
 }
 
 static CSSValue* parseSimpleTransform(CSSPropertyID propertyID, const String& string)
 {
     ASSERT(!string.isEmpty());
 
     if (propertyID != CSSPropertyTransform)
         return nullptr;
@@ skipping 14 matching lines @@
     if (isColorPropertyID(propertyID))
         return parseColor(string, parserMode);
     if (CSSValue* keyword = parseKeywordValue(propertyID, string, parserMode))
         return keyword;
     if (CSSValue* transform = parseSimpleTransform(propertyID, string))
         return transform;
     return nullptr;
 }
 
 } // namespace blink