Fix -Wnon-virtual-dtor warnings on the XFA branch.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1183483003.

1 files changed, 3 insertions, 1 deletions

diff --git a/xfa/include/fwl/adapter/fwl_adapterthreadmgr.h b/xfa/include/fwl/adapter/fwl_adapterthreadmgr.h
index f3e01855b0..ba2febfdb4 100644
--- a/xfa/include/fwl/adapter/fwl_adapterthreadmgr.h
+++ b/xfa/include/fwl/adapter/fwl_adapterthreadmgr.h
@@ -7,12 +7,13 @@
 #ifndef _FWL_ADAPTER_THREAD_H

 #define _FWL_ADAPTER_THREAD_H

 class IFWL_Thread;

-class IFWL_AdapterThreadMgr;

 class IFWL_AdapterMutex;

 class IFWL_AdapterSemaphore;

+

 class IFWL_AdapterThreadMgr

 {

 public:

+    virtual ~IFWL_AdapterThreadMgr() {}

     virtual FWL_ERR		Start(IFWL_Thread *pThread, FWL_HTHREAD &hThread, FX_BOOL bSuspended = FALSE) = 0;

     virtual FWL_ERR		Resume(FWL_HTHREAD hThread) = 0;

     virtual FWL_ERR		Suspend(FWL_HTHREAD hThread) = 0;

@@ -23,6 +24,7 @@ public:
 class IFWL_AdapterSemaphore

 {

 public:

+    virtual ~IFWL_AdapterSemaphore() {}

     static IFWL_AdapterSemaphore * Create();

     virtual FWL_ERR Destroy() = 0;

     virtual FWL_ERR Wait() const = 0;