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/bitmaprecttest.cpp b/gm/bitmaprecttest.cpp
index 6f0ab58..22962cb 100644
--- a/gm/bitmaprecttest.cpp
+++ b/gm/bitmaprecttest.cpp
@@ -56,11 +56,11 @@
     }
 
 protected:
-    virtual SkString onShortName() {
+    virtual SkString onShortName() SK_OVERRIDE {
         return SkString("bitmaprecttest");
     }
 
-    virtual SkISize onISize() {
+    virtual SkISize onISize() SK_OVERRIDE {
         return SkISize::Make(320, 240);
     }