Oilpan: Change Persistent<> data members to Member<> in HitTestResult.

public/web/WebHitTestResult.h

Index: public/web/WebHitTestResult.h
diff --git a/public/web/WebHitTestResult.h b/public/web/WebHitTestResult.h
index c8d45e8ec33c5b31dcb6480332480f9ac3653fa4..29317a01e4c09bcc25b95696e1a0267645419e07 100644
--- a/public/web/WebHitTestResult.h
+++ b/public/web/WebHitTestResult.h
@@ -26,7 +26,7 @@
 #ifndef WebHitTestResult_h
 #define WebHitTestResult_h
 
-#include "../platform/WebPrivateOwnPtr.h"
+#include "../platform/WebPrivatePtr.h"
 
 namespace blink {
 class HitTestResult;
@@ -35,6 +35,7 @@ class HitTestResult;
 namespace blink {
 
 class WebElement;
+class WebHitTestResultPrivate;
 class WebNode;
 class WebURL;
 struct WebPoint;
@@ -74,11 +75,10 @@ public:
 #if BLINK_IMPLEMENTATION
     WebHitTestResult(const blink::HitTestResult&);
     WebHitTestResult& operator=(const blink::HitTestResult&);
-    operator blink::HitTestResult() const;
 #endif
 
 protected:
-    WebPrivateOwnPtr<blink::HitTestResult> m_private;
+    WebPrivatePtr<WebHitTestResultPrivate> m_private;
 };
 
 } // namespace blink