Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/loader/EmptyClients.h

Index: third_party/WebKit/Source/core/loader/EmptyClients.h
diff --git a/third_party/WebKit/Source/core/loader/EmptyClients.h b/third_party/WebKit/Source/core/loader/EmptyClients.h
index 72b4525e127bc526271215ed5030ce6d55328d8d..97882afb8b3a418a1df730e75ceedb48900d5651 100644
--- a/third_party/WebKit/Source/core/loader/EmptyClients.h
+++ b/third_party/WebKit/Source/core/loader/EmptyClients.h
@@ -48,7 +48,6 @@
 #include "public/platform/WebFrameScheduler.h"
 #include "public/platform/WebScreenInfo.h"
 #include "wtf/Forward.h"
-#include <memory>
 #include <v8.h>
 
 /*
@@ -177,7 +176,7 @@ public:
     void registerPopupOpeningObserver(PopupOpeningObserver*) override {}
     void unregisterPopupOpeningObserver(PopupOpeningObserver*) override {}
 
-    std::unique_ptr<WebFrameScheduler> createFrameScheduler(BlameContext*) override;
+    PassOwnPtr<WebFrameScheduler> createFrameScheduler(BlameContext*) override;
 };
 
 class CORE_EXPORT EmptyFrameLoaderClient : public FrameLoaderClient {
@@ -252,8 +251,8 @@ public:
     LocalFrame* createFrame(const FrameLoadRequest&, const AtomicString&, HTMLFrameOwnerElement*) override;
     Widget* createPlugin(HTMLPlugInElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&, bool, DetachedPluginPolicy) override;
     bool canCreatePluginWithoutRenderer(const String& mimeType) const override { return false; }
-    std::unique_ptr<WebMediaPlayer> createWebMediaPlayer(HTMLMediaElement&, const WebMediaPlayerSource&, WebMediaPlayerClient*) override;
-    std::unique_ptr<WebMediaSession> createWebMediaSession() override;
+    PassOwnPtr<WebMediaPlayer> createWebMediaPlayer(HTMLMediaElement&, const WebMediaPlayerSource&, WebMediaPlayerClient*) override;
+    PassOwnPtr<WebMediaSession> createWebMediaSession() override;
 
     ObjectContentType getObjectContentType(const KURL&, const String&, bool) override { return ObjectContentType(); }
 
@@ -269,10 +268,10 @@ public:
 
     WebCookieJar* cookieJar() const override { return 0; }
 
-    std::unique_ptr<WebServiceWorkerProvider> createServiceWorkerProvider() override;
+    PassOwnPtr<WebServiceWorkerProvider> createServiceWorkerProvider() override;
     bool isControlledByServiceWorker(DocumentLoader&) override { return false; }
     int64_t serviceWorkerID(DocumentLoader&) override { return -1; }
-    std::unique_ptr<WebApplicationCacheHost> createApplicationCacheHost(WebApplicationCacheHostClient*) override;
+    PassOwnPtr<WebApplicationCacheHost> createApplicationCacheHost(WebApplicationCacheHostClient*) override;
 
 protected:
     EmptyFrameLoaderClient() {}