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/SkDisplayAdd.h b/src/animator/SkDisplayAdd.h
index 9e0ff30..c106d86 100644
--- a/src/animator/SkDisplayAdd.h
+++ b/src/animator/SkDisplayAdd.h
@@ -22,15 +22,15 @@
         kMode_immediate
     };
 
-    SkDisplayable* deepCopy(SkAnimateMaker* ) SK_OVERRIDE;
-    bool draw(SkAnimateMaker& ) SK_OVERRIDE;
+    SkDisplayable* deepCopy(SkAnimateMaker* ) override;
+    bool draw(SkAnimateMaker& ) override;
 #ifdef SK_DUMP_ENABLED
-    void dump(SkAnimateMaker* ) SK_OVERRIDE;
+    void dump(SkAnimateMaker* ) override;
 #endif
-    bool enable(SkAnimateMaker& ) SK_OVERRIDE;
-    bool hasEnable() const SK_OVERRIDE;
-    void initialize() SK_OVERRIDE;
-    bool isDrawable() const SK_OVERRIDE;
+    bool enable(SkAnimateMaker& ) override;
+    bool hasEnable() const override;
+    void initialize() override;
+    bool isDrawable() const override;
 protected:
 //  struct _A {
         Mode mode;