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/SampleLayers.cpp b/samplecode/SampleLayers.cpp
index 9b61fcc..62a8c3b 100644
--- a/samplecode/SampleLayers.cpp
+++ b/samplecode/SampleLayers.cpp
@@ -123,7 +123,7 @@
 
 class RedFilter : public SkDrawFilter {
 public:
-    bool filter(SkPaint* p, SkDrawFilter::Type) SK_OVERRIDE {
+    bool filter(SkPaint* p, SkDrawFilter::Type) override {
         fColor = p->getColor();
         if (fColor == SK_ColorRED) {
             p->setColor(SK_ColorGREEN);
@@ -215,7 +215,7 @@
     }
 
     virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y,
-                                              unsigned modi) SK_OVERRIDE {
+                                              unsigned modi) override {
         this->inval(NULL);
 
         return this->INHERITED::onFindClickHandler(x, y, modi);