Revert of Start on simplifying generateGeometry() overrides (patchset #10 id:160001 of https://codereview.chromium.org/1122673002/)

Reason for revert:
Breaking bots

Original issue's description:
> Start on simplifying generateGeometry() overrides
>
> Committed: https://skia.googlesource.com/skia/+/f28381c6866cad92af8ebe5b9d2db074613b1963

TBR=joshualitt@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1124633003

1 files changed, 1 insertions, 43 deletions

diff --git a/src/gpu/GrBatch.h b/src/gpu/GrBatch.h
index 38316cebad..7b5c888a70 100644
--- a/src/gpu/GrBatch.h
+++ b/src/gpu/GrBatch.h
@@ -11,12 +11,12 @@
 #include <new>
 // TODO remove this header when we move entirely to batch
 #include "GrDrawTarget.h"
-#include "GrBatchTarget.h"
 #include "GrGeometryProcessor.h"
 #include "SkRefCnt.h"
 #include "SkThread.h"
 #include "SkTypes.h"
 
+class GrBatchTarget;
 class GrGpu;
 class GrIndexBufferAllocPool;
 class GrPipeline;
@@ -113,48 +113,6 @@ protected:
         return fBounds.joinPossiblyEmptyRect(otherBounds);
     }
 
-    /** Helper for rendering instances using an instanced index index buffer. This class creates the
-        space for the vertices and flushes the draws to the batch target.*/
-   class InstancedHelper {
-   public:
-        InstancedHelper() : fInstancesRemaining(0) {}
-        /** Returns the allocated storage for the vertices. The caller should populate the before
-            vertices before calling issueDraws(). */
-        void* init(GrBatchTarget* batchTarget, size_t vertexStride,
-                   const GrIndexBuffer* indexBuffer, int verticesPerInstance,
-                   int indicesPerInstance, int instancesToDraw);
-
-        /** Call after init() to issue draws to the batch target.*/
-        void issueDraws(GrBatchTarget* batchTarget) {
-            SkASSERT(fDrawInfo.instanceCount());
-            do {
-                batchTarget->draw(fDrawInfo);
-            } while (fDrawInfo.nextInstances(&fInstancesRemaining, fMaxInstancesPerDraw));
-        }
-    private:
-        int                     fInstancesRemaining;
-        int                     fMaxInstancesPerDraw;
-        GrDrawTarget::DrawInfo  fDrawInfo;
-    };
-
-    static const int kVerticesPerQuad = 4;
-    static const int kIndicesPerQuad = 6;
-
-    /** A specialization of InstanceHelper for quad rendering. */
-    class QuadHelper : private InstancedHelper {
-    public:
-        QuadHelper() : INHERITED() {}
-        /** Finds the cached quad index buffer and reserves vertex space. Returns NULL on failure
-            and on sucess a pointer to the vertex data that the caller should populate before
-            calling issueDraws(). */
-        void* init(GrBatchTarget* batchTarget, size_t vertexStride, int quadsToDraw);
-
-        using InstancedHelper::issueDraws;
-
-    private:
-        typedef InstancedHelper INHERITED;
-    };
-
     SkRect fBounds;
 
 private: