Revert of Add Gr*Proxy classes

include/private/GrSurfaceProxy.h

-/*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GrSurfaceProxy_DEFINED
-#define GrSurfaceProxy_DEFINED
-
-#include "GrGpuResource.h"
-
-class GrTextureProxy;
-class GrRenderTargetProxy;
-
-class GrSurfaceProxy : public GrIORef<GrSurfaceProxy> {
-public:
-    const GrSurfaceDesc& desc() const { return fDesc; }
-
-    GrSurfaceOrigin origin() const {
-        SkASSERT(kTopLeft_GrSurfaceOrigin == fDesc.fOrigin ||
-                 kBottomLeft_GrSurfaceOrigin == fDesc.fOrigin);
-        return fDesc.fOrigin;
-    }
-    int width() const { return fDesc.fWidth; }
-    int height() const { return fDesc.fWidth; }
-    GrPixelConfig config() const { return fDesc.fConfig; }
-
-    uint32_t uniqueID() const { return fUniqueID; }
-
-    /**
-     * @return the texture proxy associated with the surface proxy, may be NULL.
-     */
-    virtual GrTextureProxy* asTextureProxy() { return nullptr; }
-    virtual const GrTextureProxy* asTextureProxy() const { return nullptr; }
-
-    /**
-     * @return the render target proxy associated with the surface proxy, may be NULL.
-     */
-    virtual GrRenderTargetProxy* asRenderTargetProxy() { return nullptr; }
-    virtual const GrRenderTargetProxy* asRenderTargetProxy() const { return nullptr; }
-
-protected:
-    GrSurfaceProxy(const GrSurfaceDesc& desc, SkBackingFit fit, SkBudgeted budgeted)
-        : fDesc(desc)
-        , fFit(fit)
-        , fBudgeted(budgeted)
-        , fUniqueID(CreateUniqueID()) {
-    }
-
-    virtual ~GrSurfaceProxy() {}
-
-    // For wrapped resources, 'fDesc' will always be filled in from the wrapped resource.
-    const GrSurfaceDesc fDesc;
-    const SkBackingFit  fFit;      // always exact for wrapped resources
-    const SkBudgeted    fBudgeted; // set from the backing resource for wrapped resources
-    const uint32_t      fUniqueID;
-
-private:
-    static uint32_t CreateUniqueID();
-
-    // See comment in GrGpuResource.h.
-    void notifyAllCntsAreZero(CntType) const {}
-    bool notifyRefCountIsZero() const { return false; }
-
-    typedef GrIORef<GrSurfaceProxy> INHERITED;
-
-    // to access notifyAllCntsAreZero and notifyRefCntIsZero.
-    friend class GrIORef<GrSurfaceProxy>;
-};
-
-#endif