Revert of GrBatchPrototype

src/gpu/GrBatchTarget.cpp

-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "GrBatchTarget.h"
-
-#include "GrBufferAllocPool.h"
-#include "GrPipeline.h"
-
-void GrBatchTarget::flush() {
-    FlushBuffer::Iter iter(fFlushBuffer);
-    fVertexPool->unmap();
-    fIndexPool->unmap();
-
-    while (iter.next()) {
-        GrProgramDesc desc;
-        BufferedFlush* bf = iter.get();
-        const GrPipeline* pipeline = bf->fPipeline;
-        const GrPrimitiveProcessor* primProc = bf->fPrimitiveProcessor.get();
-        fGpu->buildProgramDesc(&desc, *primProc, *pipeline, pipeline->descInfo(),
-                               bf->fBatchTracker);
-
-        GrGpu::DrawArgs args(primProc, pipeline, &desc, &bf->fBatchTracker);
-        for (int i = 0; i < bf->fDraws.count(); i++) {
-            fGpu->draw(args, bf->fDraws[i]);
-        }
-    }
-    fFlushBuffer.reset();
-}