Quick fix for CanvasCaptureHandler dtor

content/renderer/media/canvas_capture_handler.h

Index: content/renderer/media/canvas_capture_handler.h
diff --git a/content/renderer/media/canvas_capture_handler.h b/content/renderer/media/canvas_capture_handler.h
index a7d54d2cb784768101cdc4b7daefd0258fa70ff8..5d6fd5c1d40acf96c8e03141217e9036da5e1015 100644
--- a/content/renderer/media/canvas_capture_handler.h
+++ b/content/renderer/media/canvas_capture_handler.h
@@ -26,6 +26,7 @@ class CONTENT_EXPORT CanvasCaptureHandler final
   CanvasCaptureHandler(const blink::WebSize& size,
                        double frame_rate,
                        blink::WebMediaStream* stream);
+  ~CanvasCaptureHandler() override;
 
   // blink::WebCanvasCaptureHandler Implementation.
   void sendNewFrame(const blink::WebSkImage& image) override;
@@ -41,8 +42,6 @@ class CONTENT_EXPORT CanvasCaptureHandler final
   blink::WebSize GetSourceSize() const { return size_; }
 
  private:
-  virtual ~CanvasCaptureHandler();
-
   void CreateNewFrame(const blink::WebSkImage& image);
 
   // Implementation VideoCapturerSource that is owned by blink and delegates