Switch RegularExpression from YARR to V8

Source/core/inspector/InspectorStyleSheet.cpp

 /*
  * Copyright (C) 2010, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 1198 matching lines @@
         .setDisabled(styleSheet->disabled())
         .setSourceURL(finalURL())
         .setTitle(styleSheet->title())
         .setFrameId(m_pageAgent->frameId(frame));
 
     return result.release();
 }
 
 static PassRefPtr<TypeBuilder::Array<String> > selectorsFromSource(const CSSRuleSourceData* sourceData, const String& sheetText)
 {
-    DEFINE_STATIC_LOCAL(RegularExpression, comment, ("/\\*[^]*?\\*/", TextCaseSensitive, MultilineEnabled));
+    RegularExpression comment("/\\*[^]*?\\*/", TextCaseSensitive, MultilineEnabled);
     RefPtr<TypeBuilder::Array<String> > result = TypeBuilder::Array<String>::create();
     const SelectorRangeList& ranges = sourceData->selectorRanges;
     for (size_t i = 0, size = ranges.size(); i < size; ++i) {
         const SourceRange& range = ranges.at(i);
         String selector = sheetText.substring(range.start, range.length());
 
         // We don't want to see any comments in the selector components, only the meaningful parts.
         int matchLength;
         int offset = 0;
         while ((offset = comment.match(selector, offset, &matchLength)) >= 0)
@@ skipping 545 matching lines @@
 
     RefPtr<StylePropertySet> tempDeclaration = StylePropertySet::create();
     OwnPtr<RuleSourceDataList> ruleSourceDataResult = adoptPtr(new RuleSourceDataList());
     StyleSheetHandler handler(m_styleText, ruleSourceDataResult.get());
     createCSSParser(m_element->document())->parseDeclaration(tempDeclaration.get(), m_styleText, &handler, m_element->document()->elementSheet()->contents());
     return ruleSourceDataResult->first().release();
 }
 
 } // namespace WebCore