Add StyledMarkupSerializerTest.AcrossShadow

Source/core/editing/EditingTestBase.cpp

Index: Source/core/editing/EditingTestBase.cpp
diff --git a/Source/core/editing/EditingTestBase.cpp b/Source/core/editing/EditingTestBase.cpp
index 16226f71cc9dbf615a8d5fbf6aebba5c93c3301c..6b251281d31a70bb78cdafb9b1cbecab411bef2d 100644
--- a/Source/core/editing/EditingTestBase.cpp
+++ b/Source/core/editing/EditingTestBase.cpp
@@ -44,9 +44,9 @@ void EditingTestBase::setBodyContent(const char* bodyContent)
     document().body()->setInnerHTML(String::fromUTF8(bodyContent), ASSERT_NO_EXCEPTION);
 }
 
-PassRefPtrWillBeRawPtr<ShadowRoot> EditingTestBase::setShadowContent(const char* shadowContent)
+PassRefPtrWillBeRawPtr<ShadowRoot> EditingTestBase::setShadowContent(const char* shadowContent, const char* host)
 {
-    RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = createShadowRootForElementWithIDAndSetInnerHTML(document(), "host", shadowContent);
+    RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = createShadowRootForElementWithIDAndSetInnerHTML(document(), host, shadowContent);
     document().recalcDistribution();
     return shadowRoot.release();
 }