Rename cleanup in comments in css/ directory.

third_party/WebKit/Source/core/css/CSSSelectorList.h

Index: third_party/WebKit/Source/core/css/CSSSelectorList.h
diff --git a/third_party/WebKit/Source/core/css/CSSSelectorList.h b/third_party/WebKit/Source/core/css/CSSSelectorList.h
index 3c21e92954dd4f6bd5720121ac2900f1980b0556..979fd9eafb4de375f99f0e7bf66986b9b9eebfad 100644
--- a/third_party/WebKit/Source/core/css/CSSSelectorList.h
+++ b/third_party/WebKit/Source/core/css/CSSSelectorList.h
@@ -95,9 +95,9 @@ class CORE_EXPORT CSSSelectorList {
   CSSSelectorList(const CSSSelectorList&) = delete;
   CSSSelectorList& operator=(const CSSSelectorList&) = delete;
 
-  // End of a multipart selector is indicated by m_isLastInTagHistory bit in the
-  // last item. End of the array is indicated by m_isLastInSelectorList bit in
-  // the last item.
+  // End of a multipart selector is indicated by is_last_in_tag_history_ bit in
+  // the last item. End of the array is indicated by is_last_in_selector_list_
+  // bit in the last item.
   CSSSelector* selector_array_;
 };