Make sure media query results are re-collected.

third_party/WebKit/Source/core/html/HTMLStyleElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLStyleElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLStyleElement.cpp b/third_party/WebKit/Source/core/html/HTMLStyleElement.cpp
index a4b661c85b6a82767ead7bb5386405aba9186a2b..59c00ce16518b6602b631f1a545e68e1d2c90e32 100644
--- a/third_party/WebKit/Source/core/html/HTMLStyleElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLStyleElement.cpp
@@ -57,7 +57,7 @@ void HTMLStyleElement::parseAttribute(const QualifiedName& name,
   } else if (name == mediaAttr && isConnected() && document().isActive() &&
              m_sheet) {
     m_sheet->setMediaQueries(MediaQuerySet::create(value));
-    document().styleEngine().setNeedsActiveStyleUpdate(treeScope());
+    document().styleEngine().mediaQueriesChangedInScope(treeScope());
     // TODO(rune@opera.com): resolverChanged() can be removed once stylesheet
     // updates are async. https://crbug.com/567021
     document().styleEngine().resolverChanged(FullStyleUpdate);