Upstream version 10.39.225.0

[platform/framework/web/crosswalk.git] / src / third_party / WebKit / Source / core / frame / FrameOwner.h

diff --git a/src/third_party/WebKit/Source/core/frame/FrameOwner.h b/src/third_party/WebKit/Source/core/frame/FrameOwner.h
index 1f19f7d..f87a53d 100644 (file)
--- a/src/third_party/WebKit/Source/core/frame/FrameOwner.h
+++ b/src/third_party/WebKit/Source/core/frame/FrameOwner.h
@@ -6,12 +6,14 @@
 #define FrameOwner_h
 
 #include "core/dom/SandboxFlags.h"
+#include "platform/heap/Handle.h"
 
 namespace blink {
 
-class FrameOwner {
+class FrameOwner : public WillBeGarbageCollectedMixin {
 public:
     virtual ~FrameOwner() { }
+    virtual void trace(Visitor*) { }
 
     virtual bool isLocal() const = 0;