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/samplecode/GMSampleView.h b/samplecode/GMSampleView.h
index f97ce92..4d29190 100644
--- a/samplecode/GMSampleView.h
+++ b/samplecode/GMSampleView.h
@@ -23,11 +23,11 @@
     static SkEvent* NewShowSizeEvt(bool doShowSize);
 
 protected:
-    bool onQuery(SkEvent*) SK_OVERRIDE;
-    bool onEvent(const SkEvent&) SK_OVERRIDE;
-    void onDrawContent(SkCanvas*) SK_OVERRIDE;
-    void onDrawBackground(SkCanvas*) SK_OVERRIDE;
-    bool onAnimate(const SkAnimTimer&) SK_OVERRIDE;
+    bool onQuery(SkEvent*) override;
+    bool onEvent(const SkEvent&) override;
+    void onDrawContent(SkCanvas*) override;
+    void onDrawBackground(SkCanvas*) override;
+    bool onAnimate(const SkAnimTimer&) override;
 
 private:
     GM* fGM;