some cleanup around GrGpu/GrDrawTarget copySurface

src/gpu/GrInOrderDrawBuffer.h

Index: src/gpu/GrInOrderDrawBuffer.h
diff --git a/src/gpu/GrInOrderDrawBuffer.h b/src/gpu/GrInOrderDrawBuffer.h
index 373c5b4d5937f2ebcb49df6b5efb60fd28e047f1..415c3e1d1d789ea8b79fac34118592d4c31a2a15 100644
--- a/src/gpu/GrInOrderDrawBuffer.h
+++ b/src/gpu/GrInOrderDrawBuffer.h
@@ -52,7 +52,7 @@ public:
                         GrVertexBufferAllocPool* vertexPool,
                         GrIndexBufferAllocPool* indexPool);
 
-    virtual ~GrInOrderDrawBuffer();
+    ~GrInOrderDrawBuffer() SK_OVERRIDE;
 
     /**
      * Empties the draw buffer of any queued up draws. This must not be called while inside an
@@ -69,30 +69,18 @@ public:
     void flush();
 
     // tracking for draws
-    virtual DrawToken getCurrentDrawToken() { return DrawToken(this, fDrawID); }
+    DrawToken getCurrentDrawToken() { return DrawToken(this, fDrawID); }
 
     // overrides from GrDrawTarget
-    virtual bool geometryHints(size_t vertexStride,
-                               int* vertexCount,
-                               int* indexCount) const SK_OVERRIDE;
+    bool geometryHints(size_t vertexStride,
+                       int* vertexCount,
+                       int* indexCount) const SK_OVERRIDE;
 
-    virtual bool copySurface(GrSurface* dst,
-                             GrSurface* src,
-                             const SkIRect& srcRect,
-                             const SkIPoint& dstPoint)  SK_OVERRIDE;
+    void clearStencilClip(const SkIRect& rect,
+                          bool insideClip,
+                          GrRenderTarget* renderTarget) SK_OVERRIDE;
 
-    virtual bool canCopySurface(const GrSurface* dst,
-                                const GrSurface* src,
-                                const SkIRect& srcRect,
-                                const SkIPoint& dstPoint) SK_OVERRIDE;
-
-    virtual void clearStencilClip(const SkIRect& rect,
-                                  bool insideClip,
-                                  GrRenderTarget* renderTarget) SK_OVERRIDE;
-
-    virtual void discard(GrRenderTarget*) SK_OVERRIDE;
-
-    virtual void initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc) SK_OVERRIDE;
+    void discard(GrRenderTarget*) SK_OVERRIDE;
 
 private:
     typedef GrClipMaskManager::ScissorState ScissorState;
@@ -273,6 +261,15 @@ private:
     void willReserveVertexAndIndexSpace(int vertexCount,
                                         size_t vertexStride,
                                         int indexCount) SK_OVERRIDE;
+    bool onCopySurface(GrSurface* dst,
+                       GrSurface* src,
+                       const SkIRect& srcRect,
+                       const SkIPoint& dstPoint) SK_OVERRIDE;
+    bool onCanCopySurface(const GrSurface* dst,
+                          const GrSurface* src,
+                          const SkIRect& srcRect,
+                          const SkIPoint& dstPoint) SK_OVERRIDE;
+    bool onInitCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc) SK_OVERRIDE;
 
     // Attempts to concat instances from info onto the previous draw. info must represent an
     // instanced draw. The caller must have already recorded a new draw state and clip if necessary.