Revert of Add Gr*Proxy classes

src/gpu/GrTextureProxy.cpp

-/*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "GrTextureProxy.h"
-
-#include "GrTextureProvider.h"
-#include "GrGpuResourcePriv.h"
-
-GrTextureProxy::GrTextureProxy(sk_sp<GrTexture> tex)
-    : INHERITED(tex->desc(), SkBackingFit::kExact, tex->resourcePriv().isBudgeted())
-    , fTexture(std::move(tex)) {
-}
-
-GrTexture* GrTextureProxy::instantiate(GrTextureProvider* texProvider) {
-    if (fTexture) {
-        return fTexture.get();
-    }
-
-    if (SkBackingFit::kApprox == fFit) {
-        fTexture.reset(texProvider->createApproxTexture(fDesc));
-    } else {
-        fTexture.reset(texProvider->createTexture(fDesc, fBudgeted));
-    }
-
-    return fTexture.get();
-}
-
-sk_sp<GrTextureProxy> GrTextureProxy::Make(const GrSurfaceDesc& desc,
-                                           SkBackingFit fit,
-                                           SkBudgeted budgeted,
-                                           const void* srcData,
-                                           size_t rowBytes) {
-    // TODO: handle 'srcData' (we could use the wrapped version if there is data)
-    SkASSERT(!srcData && !rowBytes);
-    return sk_sp<GrTextureProxy>(new GrTextureProxy(desc, fit, budgeted, srcData, rowBytes));
-}
-
-sk_sp<GrTextureProxy> GrTextureProxy::Make(sk_sp<GrTexture> tex) {
-    return sk_sp<GrTextureProxy>(new GrTextureProxy(tex));
-}