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

src/effects/gradients/SkSweepGradient.h

Index: src/effects/gradients/SkSweepGradient.h
diff --git a/src/effects/gradients/SkSweepGradient.h b/src/effects/gradients/SkSweepGradient.h
index 9408feaac8300db6795f3132a2e195df6c7c2205..b72a08d834502b6df18ff97569c5bf57dfb7245e 100644
--- a/src/effects/gradients/SkSweepGradient.h
+++ b/src/effects/gradients/SkSweepGradient.h
@@ -15,14 +15,14 @@ class SkSweepGradient : public SkGradientShaderBase {
 public:
     SkSweepGradient(SkScalar cx, SkScalar cy, const Descriptor&);
 
-    virtual size_t contextSize() const SK_OVERRIDE;
+    size_t contextSize() const SK_OVERRIDE;
 
     class SweepGradientContext : public SkGradientShaderBase::GradientShaderBaseContext {
     public:
         SweepGradientContext(const SkSweepGradient& shader, 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;
@@ -32,7 +32,7 @@ public:
                                  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*,
@@ -42,8 +42,8 @@ public:
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSweepGradient)
 
 protected:
-    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:
     const SkPoint fCenter;