compositor-worker: plumb element id and mutable properties

third_party/WebKit/Source/core/dom/Element.cpp

Index: third_party/WebKit/Source/core/dom/Element.cpp
diff --git a/third_party/WebKit/Source/core/dom/Element.cpp b/third_party/WebKit/Source/core/dom/Element.cpp
index 6caa4218ca71bc24056790b0f67a55005f2d7a64..993dc35c02f3462ce60d4e6004381a1d81943c1e 100644
--- a/third_party/WebKit/Source/core/dom/Element.cpp
+++ b/third_party/WebKit/Source/core/dom/Element.cpp
@@ -973,6 +973,11 @@ void Element::scrollFrameTo(const ScrollToOptions& scrollToOptions)
     viewport->setScrollPosition(DoublePoint(scaledLeft, scaledTop), ProgrammaticScroll, scrollBehavior);
 }
 
+bool Element::hasCompositorProxy()
+{
+    return hasRareData() && elementRareData()->proxyCount() > 0;
+}
+
 void Element::incrementProxyCount()
 {
     if (ensureElementRareData().incrementProxyCount() == 1)
@@ -1686,9 +1691,6 @@ PassRefPtr<ComputedStyle> Element::styleForLayoutObject()
             style->setHasInlineTransform(inlineStyle->hasProperty(CSSPropertyTransform));
     }
 
-    if (hasRareData() && elementRareData()->proxyCount() > 0)
-        style->setHasCompositorProxy(true);
-
     document().didRecalculateStyleForElement();
     return style.release();
 }