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

src/gpu/SkGr.cpp

Index: src/gpu/SkGr.cpp
diff --git a/src/gpu/SkGr.cpp b/src/gpu/SkGr.cpp
index 32c9158334fcc38af7765d090bab1f5170549103..b44276cd4eedbcb46278d4eca6c46c2deba86a1c 100644
--- a/src/gpu/SkGr.cpp
+++ b/src/gpu/SkGr.cpp
@@ -163,7 +163,7 @@ public:
 private:
     GrUniqueKeyInvalidatedMessage fMsg;
 
-    void onChange() SK_OVERRIDE {
+    void onChange() override {
         SkMessageBus<GrUniqueKeyInvalidatedMessage>::Post(fMsg);
     }
 };