Fix leak when DFPR fails to draw path

src/gpu/batches/GrAADistanceFieldPathRenderer.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 "GrAADistanceFieldPathRenderer.h"
 
 #include "GrBatchFlushState.h"
@@ skipping 246 matching lines @@
                 SkScalar scale = desiredDimension/maxDim;
                 shapeData = new ShapeData;
                 if (!this->addPathToAtlas(target,
                                           &flushInfo,
                                           atlas,
                                           shapeData,
                                           args.fShape,
                                           args.fAntiAlias,
                                           desiredDimension,
                                           scale)) {
+                    delete shapeData;
                     SkDebugf("Can't rasterize path\n");
                     continue;
                 }
             }
 
             atlas->setLastUseToken(shapeData->fID, target->nextDrawToken());
 
             this->writePathVertices(target,
                                     atlas,
                                     offset,
@@ skipping 335 matching lines @@
                                         shape,
                                         antiAlias,
                                         viewMatrix,
                                         gTestStruct.fAtlas,
                                         &gTestStruct.fShapeCache,
                                         &gTestStruct.fShapeList,
                                         gammaCorrect);
 }
 
 #endif