Remove GrFlushToGpuDrawTarget and move functionality up to GrDrawTarget.

src/gpu/GrFlushToGpuDrawTarget.cpp

-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "GrFlushToGpuDrawTarget.h"
-#include "GrContext.h"
-#include "GrGpu.h"
-#include "GrBufferAllocPool.h"
-
-GrFlushToGpuDrawTarget::GrFlushToGpuDrawTarget(GrGpu* gpu,
-                                               GrVertexBufferAllocPool* vertexPool,
-                                               GrIndexBufferAllocPool* indexPool)
-    : INHERITED(gpu->getContext())
-    , fGpu(SkRef(gpu))
-    , fVertexPool(vertexPool)
-    , fIndexPool(indexPool)
-    , fFlushing(false) {
-
-    fCaps.reset(SkRef(fGpu->caps()));
-
-    SkASSERT(vertexPool);
-    SkASSERT(indexPool);
-
-}
-
-void GrFlushToGpuDrawTarget::reset() {
-    fVertexPool->reset();
-    fIndexPool->reset();
-
-    this->onReset();
-}
-
-void GrFlushToGpuDrawTarget::flush() {
-    if (fFlushing) {
-        return;
-    }
-    fFlushing = true;
-
-    fGpu->saveActiveTraceMarkers();
-
-    this->onFlush();
-
-    fGpu->restoreActiveTraceMarkers();
-
-    fFlushing = false;
-    this->reset();
-}
-
-bool GrFlushToGpuDrawTarget::onCanCopySurface(const GrSurface* dst,
-                                              const GrSurface* src,
-                                              const SkIRect& srcRect,
-                                              const SkIPoint& dstPoint) {
-    return getGpu()->canCopySurface(dst, src, srcRect, dstPoint);
-}
-
-bool GrFlushToGpuDrawTarget::onInitCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc) {
-    return getGpu()->initCopySurfaceDstDesc(src, desc);
-}