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

src/core/SkColorShader.h

Index: src/core/SkColorShader.h
diff --git a/src/core/SkColorShader.h b/src/core/SkColorShader.h
index e0247186230ab14c913559e30e76de44c15f50d7..9fbd5e1e8e2a4883c677e02ca930ee66bf6f7ea1 100644
--- a/src/core/SkColorShader.h
+++ b/src/core/SkColorShader.h
@@ -23,9 +23,9 @@ public:
     */
     explicit SkColorShader(SkColor c);
 
-    virtual bool isOpaque() const SK_OVERRIDE;
+    bool isOpaque() const SK_OVERRIDE;
 
-    virtual size_t contextSize() const SK_OVERRIDE {
+    size_t contextSize() const SK_OVERRIDE {
         return sizeof(ColorShaderContext);
     }
 
@@ -33,11 +33,11 @@ public:
     public:
         ColorShaderContext(const SkColorShader& shader, const ContextRec&);
 
-        virtual uint32_t getFlags() const SK_OVERRIDE;
-        virtual uint8_t getSpan16Alpha() const SK_OVERRIDE;
-        virtual void shadeSpan(int x, int y, SkPMColor span[], int count) SK_OVERRIDE;
-        virtual void shadeSpan16(int x, int y, uint16_t span[], int count) SK_OVERRIDE;
-        virtual void shadeSpanAlpha(int x, int y, uint8_t alpha[], int count) SK_OVERRIDE;
+        uint32_t getFlags() const SK_OVERRIDE;
+        uint8_t getSpan16Alpha() const SK_OVERRIDE;
+        void shadeSpan(int x, int y, SkPMColor span[], int count) SK_OVERRIDE;
+        void shadeSpan16(int x, int y, uint16_t span[], int count) SK_OVERRIDE;
+        void shadeSpanAlpha(int x, int y, uint8_t alpha[], int count) SK_OVERRIDE;
 
     private:
         SkPMColor   fPMColor;
@@ -52,7 +52,7 @@ public:
                                  SkMatrix* outMatrix,
                                  TileMode xy[2]) 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*,
@@ -63,9 +63,9 @@ public:
 
 protected:
     SkColorShader(SkReadBuffer&);
-    virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
-    virtual Context* onCreateContext(const ContextRec&, void* storage) const SK_OVERRIDE;
-    virtual bool onAsLuminanceColor(SkColor* lum) const SK_OVERRIDE {
+    void flatten(SkWriteBuffer&) const SK_OVERRIDE;
+    Context* onCreateContext(const ContextRec&, void* storage) const SK_OVERRIDE;
+    bool onAsLuminanceColor(SkColor* lum) const SK_OVERRIDE {
         *lum = fColor;
         return true;
     }