ModifierKey unifies sk_app::Window::ModifierKey & Sample::Click::ModifierKey

Change-Id: Idb5dfe57a7f6e3d6078ab1e68d542b084114cfbe
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225735
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
diff --git a/samplecode/SampleLua.cpp b/samplecode/SampleLua.cpp
index 469d0a6..9416248 100644
--- a/samplecode/SampleLua.cpp
+++ b/samplecode/SampleLua.cpp
@@ -109,7 +109,7 @@
     }
 
     virtual Sample::Click* onFindClickHandler(SkScalar x, SkScalar y,
-                                              unsigned modi) override {
+                                              ModifierKey modi) override {
         lua_State* L = this->ensureLua();
         lua_getglobal(L, gClickName);
         if (lua_isfunction(L, -1)) {