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

gm/cgms.cpp

Index: gm/cgms.cpp
diff --git a/gm/cgms.cpp b/gm/cgms.cpp
index 4f2c1b1822c90ffd4c42f8a72039e614d30bad51..e3e84b03e111d3addafcf9d19d0ca513928e078f 100644
--- a/gm/cgms.cpp
+++ b/gm/cgms.cpp
@@ -15,15 +15,15 @@ public:
     C_GM() {}
 
 protected:
-    SkString onShortName() SK_OVERRIDE {
+    SkString onShortName() override {
         return SkString("c_gms");
     }
 
-    SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() override {
         return SkISize::Make(640, 480);
     }
 
-    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) override {
         sk_test_c_api((sk_canvas_t*)canvas);
     }