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

gm/lumafilter.cpp

Index: gm/lumafilter.cpp
diff --git a/gm/lumafilter.cpp b/gm/lumafilter.cpp
index e83f3272d44c1c0070724a5c1ef6787ab411482a..66221f8303cba5b55bd8f45f1b3f28517441d60e 100644
--- a/gm/lumafilter.cpp
+++ b/gm/lumafilter.cpp
@@ -99,15 +99,15 @@ public:
 
 protected:
 
-    SkString onShortName() SK_OVERRIDE {
+    SkString onShortName() override {
         return SkString("lumafilter");
     }
 
-    SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() override {
         return SkISize::Make(600, 420);
     }
 
-    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) override {
         SkXfermode::Mode modes[] = { SkXfermode::kSrcOver_Mode,
                                      SkXfermode::kDstOver_Mode,
                                      SkXfermode::kSrcATop_Mode,