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/lazy/SkDiscardablePixelRef.h b/src/lazy/SkDiscardablePixelRef.h
index 9fef055..e12f503 100644
--- a/src/lazy/SkDiscardablePixelRef.h
+++ b/src/lazy/SkDiscardablePixelRef.h
@@ -25,11 +25,11 @@
 protected:
     ~SkDiscardablePixelRef();
 
-    bool onNewLockPixels(LockRec*) SK_OVERRIDE;
-    void onUnlockPixels() SK_OVERRIDE;
-    bool onLockPixelsAreWritable() const SK_OVERRIDE { return false; }
+    bool onNewLockPixels(LockRec*) override;
+    void onUnlockPixels() override;
+    bool onLockPixelsAreWritable() const override { return false; }
 
-    SkData* onRefEncodedData() SK_OVERRIDE {
+    SkData* onRefEncodedData() override {
         return fGenerator->refEncodedData();
     }
 
@@ -52,7 +52,7 @@
     virtual bool onGetYUV8Planes(SkISize sizes[3],
                                  void* planes[3],
                                  size_t rowBytes[3],
-                                 SkYUVColorSpace* colorSpace) SK_OVERRIDE {
+                                 SkYUVColorSpace* colorSpace) override {
         // If the image was already decoded with lockPixels(), favor not
         // re-decoding to YUV8 planes.
         if (fDiscardableMemory) {