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

NOPRESUBMIT=true

BUG=skia:
DOCS_PREVIEW= https://skia.org/?cl=1037793002

Review URL: https://codereview.chromium.org/1037793002
diff --git a/bench/MergeBench.cpp b/bench/MergeBench.cpp
index 1e8069e..05d6822 100644
--- a/bench/MergeBench.cpp
+++ b/bench/MergeBench.cpp
@@ -20,11 +20,11 @@
     MergeBench(bool small) : fIsSmall(small), fInitialized(false) { }
 
 protected:
-    const char* onGetName() SK_OVERRIDE {
+    const char* onGetName() override {
         return fIsSmall ? "merge_small" : "merge_large";
     }
 
-    void onPreDraw() SK_OVERRIDE {
+    void onPreDraw() override {
         if (!fInitialized) {
             make_bitmap();
             make_checkerboard();
@@ -32,7 +32,7 @@
         }
     }
 
-    void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(const int loops, SkCanvas* canvas) override {
         SkRect r = fIsSmall ? SkRect::MakeWH(FILTER_WIDTH_SMALL, FILTER_HEIGHT_SMALL) :
                               SkRect::MakeWH(FILTER_WIDTH_LARGE, FILTER_HEIGHT_LARGE);
         SkPaint paint;