Revert of Consolidate GPU buffer implementations

src/gpu/batches/GrDefaultPathRenderer.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDefaultPathRenderer.h"
 
 #include "GrBatchFlushState.h"
@@ skipping 295 matching lines @@
         } else {
             if (isIndexed) {
                 maxIndices = 3 * maxVertices;
                 primitiveType = kTriangles_GrPrimitiveType;
             } else {
                 primitiveType = kTriangleFan_GrPrimitiveType;
             }
         }
 
         // allocate vertex / index buffers
-        const GrBuffer* vertexBuffer;
+        const GrVertexBuffer* vertexBuffer;
         int firstVertex;
 
         void* verts = target->makeVertexSpace(vertexStride, maxVertices,
                                               &vertexBuffer, &firstVertex);
 
         if (!verts) {
             SkDebugf("Could not allocate vertices\n");
             return;
         }
 
-        const GrBuffer* indexBuffer = nullptr;
+        const GrIndexBuffer* indexBuffer = nullptr;
         int firstIndex = 0;
 
         void* indices = nullptr;
         if (isIndexed) {
             indices = target->makeIndexSpace(maxIndices, &indexBuffer, &firstIndex);
 
             if (!indices) {
                 SkDebugf("Could not allocate indices\n");
                 return;
             }
@@ skipping 431 matching lines @@
     geometry.fColor = color;
     geometry.fPath = path;
     geometry.fTolerance = srcSpaceTol;
 
     viewMatrix.mapRect(&bounds);
     uint8_t coverage = GrRandomCoverage(random);
     return DefaultPathBatch::Create(geometry, coverage, viewMatrix, true, bounds);
 }
 
 #endif