1 files changed, 4 insertions, 0 deletions
diff --git a/tools/viewer/Viewer.h b/tools/viewer/Viewer.h
index c785cff78e..0bafee175b 100644
--- a/tools/viewer/Viewer.h
+++ b/tools/viewer/Viewer.h
@@ -59,6 +59,10 @@ private:
     sk_app::CommandSet     fCommands;
 
     SkTouchGesture         fGesture;
+
+    // identity unless the window initially scales the content to fit the screen.
+    SkMatrix               fDefaultMatrix;
+    SkMatrix               fDefaultMatrixInv;
 };