Fix up all the easy virtual ... SK_OVERRIDE cases.

src/effects/gradients/SkRadialGradient.h

Index: src/effects/gradients/SkRadialGradient.h
diff --git a/src/effects/gradients/SkRadialGradient.h b/src/effects/gradients/SkRadialGradient.h
index 56d4d7e25006b9948c93c1b49d4830ad0692a8dc..a690bb53217071c4704449eb29e761b277e2d3c8 100644
--- a/src/effects/gradients/SkRadialGradient.h
+++ b/src/effects/gradients/SkRadialGradient.h
@@ -15,14 +15,14 @@ class SkRadialGradient : public SkGradientShaderBase {
 public:
     SkRadialGradient(const SkPoint& center, SkScalar radius, const Descriptor&);
 
-    virtual size_t contextSize() const SK_OVERRIDE;
+    size_t contextSize() const SK_OVERRIDE;
 
     class RadialGradientContext : public SkGradientShaderBase::GradientShaderBaseContext {
     public:
         RadialGradientContext(const SkRadialGradient&, const ContextRec&);
 
-        virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVERRIDE;
-        virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count) SK_OVERRIDE;
+        void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVERRIDE;
+        void shadeSpan16(int x, int y, uint16_t dstC[], int count) SK_OVERRIDE;
 
     private:
         typedef SkGradientShaderBase::GradientShaderBaseContext INHERITED;
@@ -31,7 +31,7 @@ public:
     virtual BitmapType asABitmap(SkBitmap* bitmap,
                                  SkMatrix* matrix,
                                  TileMode* xy) const SK_OVERRIDE;
-    virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE;
+    GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE;
     virtual bool asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix& viewM,
                                      const SkMatrix*, GrColor*,
                                      GrFragmentProcessor**) const SK_OVERRIDE;
@@ -41,8 +41,8 @@ public:
 
 protected:
     SkRadialGradient(SkReadBuffer& buffer);
-    virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;
-    virtual Context* onCreateContext(const ContextRec&, void* storage) const SK_OVERRIDE;
+    void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;
+    Context* onCreateContext(const ContextRec&, void* storage) const SK_OVERRIDE;
 
 private:
     friend class SkGradientShader;