Start using RenderTargetProxy (omnibus)

src/gpu/batches/GrDiscardBatch.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrDiscardBatch_DEFINED
 #define GrDiscardBatch_DEFINED
 
 #include "GrBatch.h"
 #include "GrBatchFlushState.h"
 #include "GrGpu.h"
 #include "GrRenderTarget.h"
 
 class GrDiscardBatch final : public GrBatch {
 public:
     DEFINE_BATCH_CLASS_ID
 
-    GrDiscardBatch(GrRenderTarget* rt)
+    GrDiscardBatch(GrRenderTargetProxy* rtp)
         : INHERITED(ClassID())
-        , fRenderTarget(rt) {
-        this->setBounds(SkRect::MakeIWH(rt->width(), rt->height()), HasAABloat::kNo,
+        , fRenderTargetProxy(rtp) {
+        this->setBounds(SkRect::MakeIWH(rtp->width(), rtp->height()), HasAABloat::kNo,
                         IsZeroArea::kNo);
     }
 
     const char* name() const override { return "Discard"; }
 
-    uint32_t renderTargetUniqueID() const override { return fRenderTarget.get()->uniqueID(); }
-    GrRenderTarget* renderTarget() const override { return fRenderTarget.get(); }
+    uint32_t renderTargetUniqueID() const override { return fRenderTargetProxy.get()->uniqueID(); }
+    GrRenderTargetProxy* rtp() const override { return fRenderTargetProxy.get(); }
 
     SkString dumpInfo() const override {
         SkString string;
-        string.printf("RT: %d", fRenderTarget.get()->uniqueID());
+        string.printf("RT: %d", fRenderTargetProxy.get()->uniqueID());
         string.append(INHERITED::dumpInfo());
         return string;
     }
 
 private:
     bool onCombineIfPossible(GrBatch* that, const GrCaps& caps) override {
         return this->renderTargetUniqueID() == that->renderTargetUniqueID();
     }
 
     void onPrepare(GrBatchFlushState*) override {}
 
     void onDraw(GrBatchFlushState* state, const SkRect& /*bounds*/) override {
         state->commandBuffer()->discard();
     }
 
-    GrPendingIOResource<GrRenderTarget, kWrite_GrIOType> fRenderTarget;
+    GrPendingIOResource<GrRenderTargetProxy, kWrite_GrIOType> fRenderTargetProxy;
 
     typedef GrBatch INHERITED;
 };
 
 #endif