Remove OwnPtr from Blink.

third_party/WebKit/Source/core/animation/Animation.h

Index: third_party/WebKit/Source/core/animation/Animation.h
diff --git a/third_party/WebKit/Source/core/animation/Animation.h b/third_party/WebKit/Source/core/animation/Animation.h
index 5cfc0539cd8776127dc3f4aa619f55bb4bff24d9..24d45f9aaca1522d89c6a8baa19e4f7ff26afbe2 100644
--- a/third_party/WebKit/Source/core/animation/Animation.h
+++ b/third_party/WebKit/Source/core/animation/Animation.h
@@ -45,6 +45,7 @@
 #include "platform/animation/CompositorAnimationPlayerClient.h"
 #include "platform/heap/Handle.h"
 #include "wtf/RefPtr.h"
+#include <memory>
 
 namespace blink {
 
@@ -294,11 +295,11 @@ private:
     // This mirrors the known compositor state. It is created when a compositor
     // animation is started. Updated once the start time is known and each time
     // modifications are pushed to the compositor.
-    OwnPtr<CompositorState> m_compositorState;
+    std::unique_ptr<CompositorState> m_compositorState;
     bool m_compositorPending;
     int m_compositorGroup;
 
-    OwnPtr<CompositorAnimationPlayer> m_compositorPlayer;
+    std::unique_ptr<CompositorAnimationPlayer> m_compositorPlayer;
 
     bool m_currentTimePending;
     bool m_stateIsBeingUpdated;