Samples: simplify Sample::Event

Change-Id: I1daaa9dcf56812bfd29dab64ee04dae63c2660e1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225545
Commit-Queue: Ben Wagner <bungeman@google.com>
Auto-Submit: Hal Canary <halcanary@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
diff --git a/samplecode/SampleChineseFling.cpp b/samplecode/SampleChineseFling.cpp
index b250da4..bb749e5 100644
--- a/samplecode/SampleChineseFling.cpp
+++ b/samplecode/SampleChineseFling.cpp
@@ -124,9 +124,7 @@
 protected:
     SkString name() override { return SkString("chinese-zoom"); }
 
-    bool onQuery(Sample::Event* evt) override {
-        SkUnichar uni;
-        if (Sample::CharQ(*evt, &uni)) {
+    bool onChar(SkUnichar uni) override {
             if ('>' == uni) {
                 fScale += 0.125f;
                 return true;
@@ -135,8 +133,7 @@
                 fScale -= 0.125f;
                 return true;
             }
-        }
-        return this->INHERITED::onQuery(evt);
+            return false;
     }
 
     void onDrawContent(SkCanvas* canvas) override {