Rename cleanup in comments in css/ directory.

third_party/WebKit/Source/core/css/parser/CSSLazyParsingState.h

Index: third_party/WebKit/Source/core/css/parser/CSSLazyParsingState.h
diff --git a/third_party/WebKit/Source/core/css/parser/CSSLazyParsingState.h b/third_party/WebKit/Source/core/css/parser/CSSLazyParsingState.h
index 0536da874106ffae8778f03415e730fef8385908..e98dea3f29391f2f8ef70b1aefc806880d43e0a3 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSLazyParsingState.h
+++ b/third_party/WebKit/Source/core/css/parser/CSSLazyParsingState.h
@@ -31,7 +31,7 @@ class CSSLazyParsingState
   // know the total number of style rules that deferred parsing.
   void FinishInitialParsing();
 
-  // Helper method used to bump m_totalStyleRules.
+  // Helper method used to bump total_style_rules_.
   CSSLazyPropertyParserImpl* CreateLazyParser(const CSSParserTokenRange& block);
 
   const CSSParserContext* Context();