Remove hasSyntacticallyValidCSSHeader.

sky/engine/core/css/StyleSheetContents.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2012 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 18 matching lines @@
 #include "sky/engine/core/dom/Document.h"
 #include "sky/engine/core/dom/Node.h"
 #include "sky/engine/core/dom/StyleEngine.h"
 #include "sky/engine/core/frame/UseCounter.h"
 #include "sky/engine/platform/TraceEvent.h"
 #include "sky/engine/wtf/Deque.h"
 
 namespace blink {
 
 StyleSheetContents::StyleSheetContents(const String& originalURL, const CSSParserContext& context)
-    : m_hasSyntacticallyValidCSSHeader(true)
-    , m_usesRemUnits(false)
+    : m_usesRemUnits(false)
     , m_hasMediaQueries(false)
     , m_hasSingleOwnerDocument(true)
     , m_originalURL(originalURL)
     , m_parserContext(context)
 {
 }
 
 StyleSheetContents::~StyleSheetContents()
 {
 #if !ENABLE(OILPAN)
     clearRules();
 #endif
 }
 
-void StyleSheetContents::setHasSyntacticallyValidCSSHeader(bool isValidCss)
-{
-    if (!isValidCss) {
-        if (Document* document = clientSingleOwnerDocument())
-            removeSheetFromCache(document);
-    }
-    m_hasSyntacticallyValidCSSHeader = isValidCss;
-}
-
 bool StyleSheetContents::isCacheable() const
 {
     // FIXME: StyleSheets with media queries can't be cached because their RuleSet
     // is processed differently based off the media queries, which might resolve
     // differently depending on the context of the parent CSSStyleSheet (e.g.
     // if they are in differently sized iframes). Once RuleSets are media query
     // agnostic, we can restore sharing of StyleSheetContents with medea queries.
     if (m_hasMediaQueries)
         return false;
-    // If the header is valid we are not going to need to check the SecurityOrigin.
-    // FIXME: Valid mime type avoids the check too.
-    if (!m_hasSyntacticallyValidCSSHeader)
-        return false;
     return true;
 }
 
 void StyleSheetContents::parserAppendRule(PassRefPtr<StyleRuleBase> rule)
 {
     // Add warning message to inspector if dpi/dpcm values are used for screen media.
     if (rule->isMediaRule()) {
         setHasMediaQueries();
         reportMediaQueryWarningIfNeeded(singleOwnerDocument(), toStyleRuleMedia(rule.get())->mediaQueries());
     }
@@ skipping 178 matching lines @@
     }
 }
 
 void StyleSheetContents::notifyRemoveFontFaceRule(const StyleRuleFontFace* fontFaceRule)
 {
     removeFontFaceRules(m_loadingClients, fontFaceRule);
     removeFontFaceRules(m_completedClients, fontFaceRule);
 }
 
 }