Mark overridden destructors with 'override' and remove 'virtual'

This silences a new warning in clang 5.0

Change-Id: Ieb5b75a6ffed60107c3fd16075d2ecfd515b55e8
Reviewed-on: https://skia-review.googlesource.com/10006
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/utils/SkDumpCanvas.h b/include/utils/SkDumpCanvas.h
index b8fff72258..727c5797d7 100644
--- a/include/utils/SkDumpCanvas.h
+++ b/include/utils/SkDumpCanvas.h
@@ -22,7 +22,7 @@ public:
     class Dumper;
 
     explicit SkDumpCanvas(Dumper* = 0);
-    virtual ~SkDumpCanvas();
+    ~SkDumpCanvas() override;
 
     enum Verb {
         kNULL_Verb,