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/SampleAnimBlur.cpp b/samplecode/SampleAnimBlur.cpp
index 3c0be83..98a3560 100644
--- a/samplecode/SampleAnimBlur.cpp
+++ b/samplecode/SampleAnimBlur.cpp
@@ -28,7 +28,7 @@
 
 protected:
     // overrides from SkEventSink
-    bool onQuery(SkEvent* evt) SK_OVERRIDE {
+    bool onQuery(SkEvent* evt) override {
         if (SampleCode::TitleQ(*evt)) {
             SampleCode::TitleR(evt, "AnimBlur");
             return true;
@@ -36,7 +36,7 @@
         return this->INHERITED::onQuery(evt);
     }
 
-    void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
+    void onDrawContent(SkCanvas* canvas) override {
         static const SkBlurStyle gStyles[] = {
             kNormal_SkBlurStyle,
             kInner_SkBlurStyle,
@@ -59,7 +59,7 @@
         }
     }
 
-    bool onAnimate(const SkAnimTimer& timer) SK_OVERRIDE {
+    bool onAnimate(const SkAnimTimer& timer) override {
         fBlurSigma = get_anim_sin(timer.secs(), 100, 4, 5);
         fCircleRadius = 3 + get_anim_sin(timer.secs(), 150, 25, 3);
         return true;