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/gm/pictureshadertile.cpp b/gm/pictureshadertile.cpp
index 46a4386..11d6b34 100644
--- a/gm/pictureshadertile.cpp
+++ b/gm/pictureshadertile.cpp
@@ -83,15 +83,15 @@
 class PictureShaderTileGM : public skiagm::GM {
 protected:
 
-    SkString onShortName() SK_OVERRIDE {
+    SkString onShortName() override {
         return SkString("pictureshadertile");
     }
 
-    SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() override {
         return SkISize::Make(800, 600);
     }
 
-    void onOnceBeforeDraw() SK_OVERRIDE {
+    void onOnceBeforeDraw() override {
         SkPictureRecorder recorder;
         SkCanvas* pictureCanvas = recorder.beginRecording(kPictureSize, kPictureSize);
         draw_scene(pictureCanvas, kPictureSize);
@@ -132,7 +132,7 @@
         }
     }
 
-    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) override {
         canvas->clear(SK_ColorBLACK);
 
         SkPaint paint;