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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/207695">207695</a></dd>
<dt>Author</dt> <dd>hyatt@apple.com</dd>
<dt>Date</dt> <dd>2016-10-21 14:07:44 -0700 (Fri, 21 Oct 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>[CSS Parser] Make sure shadow user agent sheets parse in UASheetMode
https://bugs.webkit.org/show_bug.cgi?id=163810
Reviewed by Dean Jackson.
* dom/InlineStyleSheetOwner.cpp:
(WebCore::parserContextForElement):
(WebCore::makeInlineStyleSheetCacheKey):
(WebCore::InlineStyleSheetOwner::createSheet):
(WebCore::parserContextForForElement): Deleted.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoredomInlineStyleSheetOwnercpp">trunk/Source/WebCore/dom/InlineStyleSheetOwner.cpp</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (207694 => 207695)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2016-10-21 19:52:25 UTC (rev 207694)
+++ trunk/Source/WebCore/ChangeLog 2016-10-21 21:07:44 UTC (rev 207695)
</span><span class="lines">@@ -1,3 +1,16 @@
</span><ins>+2016-10-21 Dave Hyatt <hyatt@apple.com>
+
+ [CSS Parser] Make sure shadow user agent sheets parse in UASheetMode
+ https://bugs.webkit.org/show_bug.cgi?id=163810
+
+ Reviewed by Dean Jackson.
+
+ * dom/InlineStyleSheetOwner.cpp:
+ (WebCore::parserContextForElement):
+ (WebCore::makeInlineStyleSheetCacheKey):
+ (WebCore::InlineStyleSheetOwner::createSheet):
+ (WebCore::parserContextForForElement): Deleted.
+
</ins><span class="cx"> 2016-10-21 Jer Noble <jer.noble@apple.com>
</span><span class="cx">
</span><span class="cx"> YouTube stalls when seeking beyond buffered range
</span></span></pre></div>
<a id="trunkSourceWebCoredomInlineStyleSheetOwnercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/InlineStyleSheetOwner.cpp (207694 => 207695)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/InlineStyleSheetOwner.cpp 2016-10-21 19:52:25 UTC (rev 207694)
+++ trunk/Source/WebCore/dom/InlineStyleSheetOwner.cpp 2016-10-21 21:07:44 UTC (rev 207695)
</span><span class="lines">@@ -44,13 +44,16 @@
</span><span class="cx"> return cache;
</span><span class="cx"> }
</span><span class="cx">
</span><del>-static CSSParserContext parserContextForForElement(const Element& element)
</del><ins>+static CSSParserContext parserContextForElement(const Element& element)
</ins><span class="cx"> {
</span><span class="cx"> auto* shadowRoot = element.containingShadowRoot();
</span><span class="cx"> // User agent shadow trees can't contain document-relative URLs. Use blank URL as base allowing cross-document sharing.
</span><span class="cx"> auto& baseURL = shadowRoot && shadowRoot->mode() == ShadowRoot::Mode::UserAgent ? blankURL() : element.document().baseURL();
</span><span class="cx">
</span><del>- return CSSParserContext { element.document(), baseURL, element.document().encoding() };
</del><ins>+ CSSParserContext result = CSSParserContext { element.document(), baseURL, element.document().encoding() };
+ if (shadowRoot && shadowRoot->mode() == ShadowRoot::Mode::UserAgent)
+ result.mode = UASheetMode;
+ return result;
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> static Optional<InlineStyleSheetCacheKey> makeInlineStyleSheetCacheKey(const String& text, const Element& element)
</span><span class="lines">@@ -60,7 +63,7 @@
</span><span class="cx"> if (!element.isInShadowTree())
</span><span class="cx"> return { };
</span><span class="cx">
</span><del>- return std::make_pair(text, parserContextForForElement(element));
</del><ins>+ return std::make_pair(text, parserContextForElement(element));
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> InlineStyleSheetOwner::InlineStyleSheetOwner(Document& document, bool createdByParser)
</span><span class="lines">@@ -197,7 +200,7 @@
</span><span class="cx">
</span><span class="cx"> m_loading = true;
</span><span class="cx">
</span><del>- auto contents = StyleSheetContents::create(String(), parserContextForForElement(element));
</del><ins>+ auto contents = StyleSheetContents::create(String(), parserContextForElement(element));
</ins><span class="cx">
</span><span class="cx"> m_sheet = CSSStyleSheet::createInline(contents.get(), element, m_startTextPosition);
</span><span class="cx"> m_sheet->setMediaQueries(mediaQueries.releaseNonNull());
</span></span></pre>
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