sk_app, Sample: Unify InputState enum.

    replace() {
      if git grep -q "$1")";
      then sed -i -e "s#${1}#${2}#g" $(git grep -l "$1");
      fi
    }
    replace 'k\([A-Za-z]*\)_InputState' 'InputState::k\1'
    replace '\(\(sk_app::\|\)Window\|Sample\|\)::InputState' 'InputState'

Change-Id: I4cc18814fb1fbdd1f240aabba05aae79c54a4841
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/227642
Commit-Queue: Hal Canary <halcanary@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
Auto-Submit: Hal Canary <halcanary@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
diff --git a/tools/viewer/Slide.h b/tools/viewer/Slide.h
index 910cfd1..564081b 100644
--- a/tools/viewer/Slide.h
+++ b/tools/viewer/Slide.h
@@ -29,7 +29,7 @@
     virtual void unload() {}
 
     virtual bool onChar(SkUnichar c) { return false; }
-    virtual bool onMouse(SkScalar x, SkScalar y, sk_app::Window::InputState state,
+    virtual bool onMouse(SkScalar x, SkScalar y, InputState state,
                          ModifierKey modifiers) { return false; }
 
     virtual bool onGetControls(SkMetaData*) { return false; }