fix for msan

src/gpu/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 "GrBatch.h"
@@ skipping 349 matching lines @@
         drawInfo.setVertexCount(vertexOffset);
         if (isIndexed) {
             drawInfo.setIndexBuffer(indexBuffer);
             drawInfo.setStartIndex(firstIndex);
             drawInfo.setIndexCount(indexOffset);
         } else {
             drawInfo.setStartIndex(0);
             drawInfo.setIndexCount(0);
         }
         batchTarget->draw(drawInfo);
+
+        // put back reserves
+        batchTarget->putBackIndices((size_t)(maxIndices - indexOffset));
+        batchTarget->putBackVertices((size_t)(maxVertices - vertexOffset), (size_t)vertexStride);
     }
 
     SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
 
 private:
     DefaultPathBatch(const Geometry& geometry, uint8_t coverage, const SkMatrix& viewMatrix,
                      bool isHairline) {
         this->initClassID<DefaultPathBatch>();
         fBatch.fCoverage = coverage;
         fBatch.fIsHairline = isHairline;
@@ skipping 346 matching lines @@
 
 void GrDefaultPathRenderer::onStencilPath(GrDrawTarget* target,
                                           GrPipelineBuilder* pipelineBuilder,
                                           const SkMatrix& viewMatrix,
                                           const SkPath& path,
                                           const SkStrokeRec& stroke) {
     SkASSERT(SkPath::kInverseEvenOdd_FillType != path.getFillType());
     SkASSERT(SkPath::kInverseWinding_FillType != path.getFillType());
     this->internalDrawPath(target, pipelineBuilder, GrColor_WHITE, viewMatrix, path, stroke, true);
 }