style nit cleanups. e.g. remove 'virtual' on override declarations

src/effects/gradients/SkSweepGradient.h

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkSweepGradient_DEFINED
 #define SkSweepGradient_DEFINED
@@ skipping 10 matching lines @@
     public:
         SweepGradientContext(const SkSweepGradient& shader, const ContextRec&);
 
         void shadeSpan(int x, int y, SkPMColor dstC[], int count) override;
         void shadeSpan16(int x, int y, uint16_t dstC[], int count) override;
 
     private:
         typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED;
     };
 
-    virtual BitmapType asABitmap(SkBitmap* bitmap,
-                                 SkMatrix* matrix,
-                                 TileMode* xy) const override;
+    BitmapType asABitmap(SkBitmap* bitmap, SkMatrix* matrix, TileMode* xy) const override;
 
     GradientType asAGradient(GradientInfo* info) const override;
 
-    virtual bool asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix& viewM,
-                                     const SkMatrix*, GrColor*,
-                                     GrFragmentProcessor**) const override;
+    bool asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix& viewM,
+                             const SkMatrix*, GrColor*,
+                             GrFragmentProcessor**) const override;
 
     SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSweepGradient)
 
 protected:
     void flatten(SkWriteBuffer& buffer) const override;
     Context* onCreateContext(const ContextRec&, void* storage) const override;
 
 private:
     const SkPoint fCenter;
 
     friend class SkGradientShader;
     typedef SkGradientShaderBase INHERITED;
 };
 
 #endif