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

gm/mixedxfermodes.cpp

Index: gm/mixedxfermodes.cpp
diff --git a/gm/mixedxfermodes.cpp b/gm/mixedxfermodes.cpp
index f818719bcdf5f4f719a295e2966bdd634b35811d..dc858cb88b0cd0a3ce482a6be2438e60b558dc40 100644
--- a/gm/mixedxfermodes.cpp
+++ b/gm/mixedxfermodes.cpp
@@ -31,11 +31,11 @@ protected:
         kNumShapeTypes
     };
 
-    SkString onShortName() SK_OVERRIDE {
+    SkString onShortName() override {
         return SkString("mixed_xfermodes");
     }
 
-    SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() override {
         return SkISize::Make(790, 640);
     }
 
@@ -87,7 +87,7 @@ protected:
         }
     }
 
-    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) override {
         if (NULL == fBG.get()) {
             static uint32_t kCheckerPixelData[] = { 0xFFFFFFFF,
                                                     0xFFCCCCCC,