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/ChecksumBench.cpp b/bench/ChecksumBench.cpp
index 661f9e6..9dd87c3 100644
--- a/bench/ChecksumBench.cpp
+++ b/bench/ChecksumBench.cpp
@@ -35,7 +35,7 @@
         }
     }
 
-    bool isSuitableFor(Backend backend) SK_OVERRIDE {
+    bool isSuitableFor(Backend backend) override {
         return backend == kNonRendering_Backend;
     }