CL for perf tryjob on win

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 316ab46c290824bdda94c157bfd1b715590322bb..e1f930bdc0bbd25d12acc47fb7bd4eea8473efbc 100644
--- a/third_party/WebKit/Source/core/dom/Element.cpp
+++ b/third_party/WebKit/Source/core/dom/Element.cpp
@@ -2517,6 +2517,8 @@ void Element::setInnerHTML(const String& html, ExceptionState& exceptionState)
             container = toHTMLTemplateElement(this)->content();
         replaceChildrenWithFragment(container, fragment.release(), exceptionState);
     }
+
+    taintElementIfFromIsolatedWorld();
 }
 
 void Element::setOuterHTML(const String& html, ExceptionState& exceptionState)
@@ -2546,6 +2548,11 @@ void Element::setOuterHTML(const String& html, ExceptionState& exceptionState)
 
     if (!exceptionState.hadException() && prev && prev->isTextNode())
         mergeWithNextTextNode(toText(prev.get()), exceptionState);
+
+    if (node && node->isElementNode())
+        toElement(node)->taintElementIfFromIsolatedWorld();
+    else
+        parent->taintElementIfFromIsolatedWorld();
 }
 
 Node* Element::insertAdjacent(const String& where, Node* newChild, ExceptionState& exceptionState)
@@ -3616,6 +3623,16 @@ void Element::logUpdateAttributeIfIsolatedWorldAndInDocument(const char element[
     activityLogger->logEvent("blinkSetAttribute", argv.size(), argv.data());
 }
 
+void Element::taintElementIfFromIsolatedWorld()
+{
+    ASSERT(v8::Isolate::GetCurrent()->InContext());
+    DOMWrapperWorld& currentWorld = DOMWrapperWorld::current(v8::Isolate::GetCurrent());
+    if (currentWorld.isOfIsolatedWorldOrigin()) {
+        TrackExceptionState exceptionState;
+        this->setAttribute("extension-attribution", WebString(String::number(currentWorld.originWorldId())), exceptionState);
+    }
+}
+
 DEFINE_TRACE(Element)
 {
 #if ENABLE(OILPAN)