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/gpu/GrRectanizer_skyline.h b/src/gpu/GrRectanizer_skyline.h
index c9f9255..a06bba0 100644
--- a/src/gpu/GrRectanizer_skyline.h
+++ b/src/gpu/GrRectanizer_skyline.h
@@ -21,7 +21,7 @@
 
     virtual ~GrRectanizerSkyline() { }
 
-    void reset() SK_OVERRIDE{
+    void reset() override{
         fAreaSoFar = 0;
         fSkyline.reset();
         SkylineSegment* seg = fSkyline.append(1);
@@ -30,9 +30,9 @@
         seg->fWidth = this->width();
     }
 
-    bool addRect(int w, int h, SkIPoint16* loc) SK_OVERRIDE;
+    bool addRect(int w, int h, SkIPoint16* loc) override;
 
-    float percentFull() const SK_OVERRIDE {
+    float percentFull() const override {
         return fAreaSoFar / ((float)this->width() * this->height());
     }