Revert of Add Gr*Proxy classes

src/gpu/GrRenderTargetProxy.cpp

Index: src/gpu/GrRenderTargetProxy.cpp
diff --git a/src/gpu/GrRenderTargetProxy.cpp b/src/gpu/GrRenderTargetProxy.cpp
deleted file mode 100644
index 8d821c3c1d4b86db8eee2aae0cca3faa8406fb73..0000000000000000000000000000000000000000
--- a/src/gpu/GrRenderTargetProxy.cpp
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * 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 "GrRenderTargetProxy.h"
-
-#include "GrDrawTarget.h"
-#include "GrGpuResourcePriv.h"
-#include "GrRenderTargetPriv.h"
-
-GrRenderTargetProxy::GrRenderTargetProxy(sk_sp<GrRenderTarget> rt)
-    : INHERITED(rt->desc(), SkBackingFit::kExact, rt->resourcePriv().isBudgeted())
-    , fTarget(std::move(rt))
-    , fSampleConfig(fTarget->renderTargetPriv().sampleConfig())
-    , fLastDrawTarget(nullptr) {
-}
-
-GrRenderTargetProxy::~GrRenderTargetProxy() {
-    if (fLastDrawTarget) {
-        fLastDrawTarget->clearRT();
-    }
-    SkSafeUnref(fLastDrawTarget);
-}
-
-GrRenderTarget* GrRenderTargetProxy::instantiate(GrTextureProvider* texProvider) {
-    if (fTarget) {
-        return fTarget.get();
-    }
-
-    // TODO: it would be nice to not have to copy the desc here
-    GrSurfaceDesc desc = fDesc;
-    desc.fFlags |= GrSurfaceFlags::kRenderTarget_GrSurfaceFlag;
-
-    sk_sp<GrTexture> tex;
-    if (SkBackingFit::kApprox == fFit) {
-        tex.reset(texProvider->createApproxTexture(desc));
-    } else {
-        tex.reset(texProvider->createTexture(desc, fBudgeted));
-    }
-    if (!tex || !tex->asRenderTarget()) {
-        return nullptr;
-    }
-
-    fTarget.reset(tex->asRenderTarget());
-
-    // Check that our a priori computation matched the ultimate reality
-    SkASSERT(fSampleConfig == fTarget->renderTargetPriv().sampleConfig());
-
-    return fTarget.get();
-}
-
-void GrRenderTargetProxy::setLastDrawTarget(GrDrawTarget* dt) {
-    if (fLastDrawTarget) {
-        // The non-MDB world never closes so we can't check this condition
-#ifdef ENABLE_MDB
-        SkASSERT(fLastDrawTarget->isClosed());
-#endif
-        fLastDrawTarget->clearRT();
-    }
-
-    SkRefCnt_SafeAssign(fLastDrawTarget, dt);
-}
-
-sk_sp<GrRenderTargetProxy> GrRenderTargetProxy::Make(const GrCaps& caps,
-                                                     const GrSurfaceDesc& desc,
-                                                     SkBackingFit fit,
-                                                     SkBudgeted budgeted) {
-    return sk_sp<GrRenderTargetProxy>(new GrRenderTargetProxy(caps, desc, fit, budgeted));
-}
-
-sk_sp<GrRenderTargetProxy> GrRenderTargetProxy::Make(sk_sp<GrRenderTarget> rt) {
-    return sk_sp<GrRenderTargetProxy>(new GrRenderTargetProxy(rt));
-}
-