Rename {Author,UserAgent}ShadowRoot to {Open,Closed}ShadowRoot.

Source/core/layout/HitTestResult.cpp

Index: Source/core/layout/HitTestResult.cpp
diff --git a/Source/core/layout/HitTestResult.cpp b/Source/core/layout/HitTestResult.cpp
index d27fc1a97b7d01e849c27471f3614b10cd00bbdb..1b3876e599b007881bcdf2c1b2c973eca9db9681 100644
--- a/Source/core/layout/HitTestResult.cpp
+++ b/Source/core/layout/HitTestResult.cpp
@@ -138,18 +138,18 @@ LayoutObject* HitTestResult::renderer() const
     return m_innerNode ? m_innerNode->renderer() : 0;
 }
 
-void HitTestResult::setToShadowHostIfInUserAgentShadowRoot()
+void HitTestResult::setToShadowHostIfInClosedShadowRoot()
 {
     if (Node* node = innerNode()) {
         if (ShadowRoot* containingShadowRoot = node->containingShadowRoot()) {
-            if (containingShadowRoot->type() == ShadowRoot::UserAgentShadowRoot)
+            if (containingShadowRoot->type() == ShadowRoot::ClosedShadowRoot)
                 setInnerNode(node->shadowHost());
         }
     }
 
     if (Node* node = innerNonSharedNode()) {
         if (ShadowRoot* containingShadowRoot = node->containingShadowRoot()) {
-            if (containingShadowRoot->type() == ShadowRoot::UserAgentShadowRoot)
+            if (containingShadowRoot->type() == ShadowRoot::ClosedShadowRoot)
                 setInnerNonSharedNode(node->shadowHost());
         }
     }