X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fthird_party%2FWebKit%2FSource%2Fcore%2Fframe%2FFrameOwner.h;h=f87a53dc25d0b7f6aa6a6936f85dcc94c848e7bf;hb=3545e9f2671f595d2a2f3ee75ca0393b01e35ef6;hp=1f19f7d515746772c07f8d1af80468ee1aaa019c;hpb=7d210d4c7e9ba36e635eabc5b5780495f8a63292;p=platform%2Fframework%2Fweb%2Fcrosswalk.git

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
--- 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;