C++11 override should now be supported by all of {bots,Chrome,Android,Mozilla}

src/gpu/gl/GrGLIndexBuffer.h

Index: src/gpu/gl/GrGLIndexBuffer.h
diff --git a/src/gpu/gl/GrGLIndexBuffer.h b/src/gpu/gl/GrGLIndexBuffer.h
index 3ff746e29787b021cf74563616d7fb8b908d9570..4ca636000117702cd1f5eac4824e4cf332151586 100644
--- a/src/gpu/gl/GrGLIndexBuffer.h
+++ b/src/gpu/gl/GrGLIndexBuffer.h
@@ -31,13 +31,13 @@ public:
     }
 
 protected:
-    void onAbandon() SK_OVERRIDE;
-    void onRelease() SK_OVERRIDE;
+    void onAbandon() override;
+    void onRelease() override;
 
 private:
-    void* onMap() SK_OVERRIDE;
-    void onUnmap() SK_OVERRIDE;
-    bool onUpdateData(const void* src, size_t srcSizeInBytes) SK_OVERRIDE;
+    void* onMap() override;
+    void onUnmap() override;
+    bool onUpdateData(const void* src, size_t srcSizeInBytes) override;
 
     GrGLGpu* getGpuGL() const {
         SkASSERT(!this->wasDestroyed());