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/src/animator/SkHitClear.h b/src/animator/SkHitClear.h
index 3e09700..042c181 100644
--- a/src/animator/SkHitClear.h
+++ b/src/animator/SkHitClear.h
@@ -16,8 +16,8 @@
 
 class SkHitClear : public SkDisplayable {
     DECLARE_MEMBER_INFO(HitClear);
-    bool enable(SkAnimateMaker& ) SK_OVERRIDE;
-    bool hasEnable() const SK_OVERRIDE;
+    bool enable(SkAnimateMaker& ) override;
+    bool hasEnable() const override;
 private:
     SkTDDisplayableArray targets;
 };