Title: [227147] trunk/Source/WebCore
Revision
227147
Author
[email protected]
Date
2018-01-18 09:50:00 -0800 (Thu, 18 Jan 2018)

Log Message

REGRESSION(r225650): The scores of MotionMark tests Multiply and Leaves dropped by 8%
https://bugs.webkit.org/show_bug.cgi?id=181460
<rdar://problem/36379776>

Reviewed by Ryosuke Niwa.

* css/parser/CSSParser.cpp:
(WebCore::CSSParserContext::CSSParserContext):

Don't do the expensive security origin test if the supplied sheet base URL is null. This
is true for rules coming from the same document.

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (227146 => 227147)


--- trunk/Source/WebCore/ChangeLog	2018-01-18 17:49:44 UTC (rev 227146)
+++ trunk/Source/WebCore/ChangeLog	2018-01-18 17:50:00 UTC (rev 227147)
@@ -1,5 +1,19 @@
 2018-01-18  Antti Koivisto  <[email protected]>
 
+        REGRESSION(r225650): The scores of MotionMark tests Multiply and Leaves dropped by 8%
+        https://bugs.webkit.org/show_bug.cgi?id=181460
+        <rdar://problem/36379776>
+
+        Reviewed by Ryosuke Niwa.
+
+        * css/parser/CSSParser.cpp:
+        (WebCore::CSSParserContext::CSSParserContext):
+
+        Don't do the expensive security origin test if the supplied sheet base URL is null. This
+        is true for rules coming from the same document.
+
+2018-01-18  Antti Koivisto  <[email protected]>
+
         REGRESSION (r223604): Setting :before/after pseudo element on <noscript> asserts
         https://bugs.webkit.org/show_bug.cgi?id=181795
         <rdar://problem/36334524>

Modified: trunk/Source/WebCore/css/parser/CSSParser.cpp (227146 => 227147)


--- trunk/Source/WebCore/css/parser/CSSParser.cpp	2018-01-18 17:49:44 UTC (rev 227146)
+++ trunk/Source/WebCore/css/parser/CSSParser.cpp	2018-01-18 17:50:00 UTC (rev 227147)
@@ -78,8 +78,9 @@
     , mode(document.inQuirksMode() ? HTMLQuirksMode : HTMLStandardMode)
     , isHTMLDocument(document.isHTMLDocument())
     , cssGridLayoutEnabled(document.isCSSGridLayoutEnabled())
-    , hasDocumentSecurityOrigin(document.securityOrigin().canRequest(baseURL))
+    , hasDocumentSecurityOrigin(sheetBaseURL.isNull() || document.securityOrigin().canRequest(baseURL))
 {
+    
     needsSiteSpecificQuirks = document.settings().needsSiteSpecificQuirks();
     enforcesCSSMIMETypeInNoQuirksMode = document.settings().enforceCSSMIMETypeInNoQuirksMode();
     useLegacyBackgroundSizeShorthandBehavior = document.settings().useLegacyBackgroundSizeShorthandBehavior();
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