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/utils/SkCanvasStack.h b/src/utils/SkCanvasStack.h
index 27bc6bc..6602110 100644
--- a/src/utils/SkCanvasStack.h
+++ b/src/utils/SkCanvasStack.h
@@ -18,7 +18,7 @@
     virtual ~SkCanvasStack();
 
     void pushCanvas(SkCanvas* canvas, const SkIPoint& origin);
-    void removeAll() SK_OVERRIDE;
+    void removeAll() override;
 
     /*
      * The following add/remove canvas methods are overrides from SkNWayCanvas
@@ -26,16 +26,16 @@
      * can share most of the other implementation of NWay we override those
      * methods to be no-ops.
      */
-    void addCanvas(SkCanvas*) SK_OVERRIDE { SkDEBUGFAIL("Invalid Op"); }
-    void removeCanvas(SkCanvas*) SK_OVERRIDE { SkDEBUGFAIL("Invalid Op"); }
+    void addCanvas(SkCanvas*) override { SkDEBUGFAIL("Invalid Op"); }
+    void removeCanvas(SkCanvas*) override { SkDEBUGFAIL("Invalid Op"); }
 
 protected:
-    void didSetMatrix(const SkMatrix&) SK_OVERRIDE;
+    void didSetMatrix(const SkMatrix&) override;
 
-    void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
-    void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
-    void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
-    void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE;
+    void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) override;
+    void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) override;
+    void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) override;
+    void onClipRegion(const SkRegion&, SkRegion::Op) override;
 
 private:
     void clipToZOrderedBounds();