Introduce CSS parser mode for distinguishing static/dynamic profile

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

 /*
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2012 Apple 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
@@ skipping 67 matching lines @@
   // We don't count the UA style sheet in our statistics.
   return mode != UASheetMode;
 }
 
 class UseCounter;
 
 class CORE_EXPORT CSSParserContext {
   USING_FAST_MALLOC(CSSParserContext);
 
  public:
+  // https://drafts.csswg.org/selectors/#profiles
+  enum Profile { DynamicProfile, StaticProfile };

[Timothy Loh, 2016/11/15 02:27:07]

SelectorProfile?

[kochi, 2016/11/15 04:24:38]

Done.
SelectorProfile sounds better and clearer.

+
   CSSParserContext(CSSParserMode, UseCounter*);
   // FIXME: We shouldn't need the UseCounter argument as we could infer it from
   // the Document but some callers want to disable use counting (e.g. the
   // WebInspector).
   CSSParserContext(const Document&,
                    UseCounter*,
                    const KURL& baseURL = KURL(),
-                   const String& charset = emptyString());
+                   const String& charset = emptyString(),
+                   Profile = DynamicProfile);
   // FIXME: This constructor shouldn't exist if we properly piped the UseCounter
   // through the CSS subsystem. Currently the UseCounter life time is too crazy
   // and we need a way to override it.
   CSSParserContext(const CSSParserContext&, UseCounter*);
 
   bool operator==(const CSSParserContext&) const;
   bool operator!=(const CSSParserContext& other) const {
     return !(*this == other);
   }
 
   CSSParserMode mode() const { return m_mode; }
   CSSParserMode matchMode() const { return m_matchMode; }
   const KURL& baseURL() const { return m_baseURL; }
   const String& charset() const { return m_charset; }
   const Referrer& referrer() const { return m_referrer; }
   bool isHTMLDocument() const { return m_isHTMLDocument; }
+  bool isDynamicProfile() const { return m_profile == DynamicProfile; }
+  bool isStaticProfile() const { return m_profile == StaticProfile; }
 
   // This quirk is to maintain compatibility with Android apps built on
   // the Android SDK prior to and including version 18. Presumably, this
   // can be removed any time after 2015. See http://crbug.com/277157.
   bool useLegacyBackgroundSizeShorthandBehavior() const {
     return m_useLegacyBackgroundSizeShorthandBehavior;
   }
 
   // FIXME: These setters shouldn't exist, however the current lifetime of
   // CSSParserContext is not well understood and thus we sometimes need to
@@ skipping 11 matching lines @@
 
   ContentSecurityPolicyDisposition shouldCheckContentSecurityPolicy() const {
     return m_shouldCheckContentSecurityPolicy;
   }
 
  private:
   KURL m_baseURL;
   String m_charset;
   CSSParserMode m_mode;
   CSSParserMode m_matchMode;
+  Profile m_profile = DynamicProfile;
   Referrer m_referrer;
   bool m_isHTMLDocument;
   bool m_useLegacyBackgroundSizeShorthandBehavior;
   ContentSecurityPolicyDisposition m_shouldCheckContentSecurityPolicy;
 
   UseCounter* m_useCounter;
 };
 
 CORE_EXPORT const CSSParserContext& strictCSSParserContext();
 
 }  // namespace blink
 
 #endif  // CSSParserMode_h