Nuke WebPassOwnPtr<T> and replace it with std::unique_ptr<T>.

third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h

Index: third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h
diff --git a/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h b/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h
index 319a529c30b9579cacbe7abb6fca83ec2d640b53..d1e44db90d17294644b5e970d13e5973e986ad5d 100644
--- a/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h
+++ b/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h
@@ -33,10 +33,11 @@
 
 #include "public/platform/WebGeofencingEventType.h"
 #include "public/platform/WebMessagePortChannel.h"
-#include "public/platform/WebPassOwnPtr.h"
 #include "public/platform/modules/serviceworker/WebServiceWorker.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerRegistration.h"
 
+#include <memory>
+
 namespace blink {
 
 class WebServiceWorkerRequest;
@@ -51,11 +52,11 @@ class WebServiceWorkerContextProxy {
 public:
     virtual ~WebServiceWorkerContextProxy() { }
 
-    virtual void setRegistration(WebPassOwnPtr<WebServiceWorkerRegistration::Handle>) = 0;
+    virtual void setRegistration(std::unique_ptr<WebServiceWorkerRegistration::Handle>) = 0;
 
     virtual void dispatchActivateEvent(int eventID) = 0;
     virtual void dispatchExtendableMessageEvent(int eventID, const WebString& message, const WebSecurityOrigin& sourceOrigin, const WebMessagePortChannelArray&, const WebServiceWorkerClientInfo&) = 0;
-    virtual void dispatchExtendableMessageEvent(int eventID, const WebString& message, const WebSecurityOrigin& sourceOrigin, const WebMessagePortChannelArray&, WebPassOwnPtr<WebServiceWorker::Handle>) = 0;
+    virtual void dispatchExtendableMessageEvent(int eventID, const WebString& message, const WebSecurityOrigin& sourceOrigin, const WebMessagePortChannelArray&, std::unique_ptr<WebServiceWorker::Handle>) = 0;
     virtual void dispatchInstallEvent(int eventID) = 0;
     virtual void dispatchFetchEvent(int eventID, const WebServiceWorkerRequest& webRequest) = 0;
     virtual void dispatchForeignFetchEvent(int eventID, const WebServiceWorkerRequest& webRequest) = 0;