Cleanup: More override fixes - another round.

BUG=skia:3075
TEST=ninja -C out/Debug
TBR=reed@google.com

Review URL: https://codereview.chromium.org/831113002
diff --git a/gm/hittestpath.cpp b/gm/hittestpath.cpp
index caed98f..88772d6 100644
--- a/gm/hittestpath.cpp
+++ b/gm/hittestpath.cpp
@@ -38,13 +38,13 @@
         return kSkipTiled_Flag;
     }
 
-    virtual SkString onShortName() {
+    virtual SkString onShortName() SK_OVERRIDE {
         return SkString("hittestpath");
     }
 
-    virtual SkISize onISize() { return SkISize::Make(700, 460); }
+    virtual SkISize onISize() SK_OVERRIDE { return SkISize::Make(700, 460); }
 
-    virtual void onDraw(SkCanvas* canvas) {
+    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         SkPath path;
         SkRandom rand;