C++11 override should now be supported by all of {bots,Chrome,Android,Mozilla}

gm/bitmaprecttest.cpp

Index: gm/bitmaprecttest.cpp
diff --git a/gm/bitmaprecttest.cpp b/gm/bitmaprecttest.cpp
index dba63744fc81d57ef7ddd90a2dd8ad95cb9a2201..eaa7a3a7439da890a9f59f62bdc6d59a567a81fd 100644
--- a/gm/bitmaprecttest.cpp
+++ b/gm/bitmaprecttest.cpp
@@ -56,15 +56,15 @@ public:
     }
 
 protected:
-    SkString onShortName() SK_OVERRIDE {
+    SkString onShortName() override {
         return SkString("bitmaprecttest");
     }
 
-    SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() override {
         return SkISize::Make(320, 240);
     }
 
-    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) override {
         test_bitmaprect(canvas);
     }