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/nested.cpp b/gm/nested.cpp
index 025bdce..3dd2c2c 100644
--- a/gm/nested.cpp
+++ b/gm/nested.cpp
@@ -20,7 +20,7 @@
 
 protected:
 
-    SkString onShortName() SK_OVERRIDE {
+    SkString onShortName() override {
         SkString name("nested");
         if (fDoAA) {
             name.append("_aa");
@@ -30,7 +30,7 @@
         return name;
     }
 
-    SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() override {
         return SkISize::Make(kImageWidth, kImageHeight);
     }
 
@@ -60,7 +60,7 @@
         }
     }
 
-    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) override {
 
         SkPaint shapePaint;
         shapePaint.setColor(SK_ColorBLACK);