Revert of free -> reset

src/gpu/GrLayerCache.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 "GrLayerAtlas.h"
 #include "GrContext.h"
 #include "GrDrawContext.h"
@@ skipping 80 matching lines @@
     for (; !iter.done(); ++iter) {
         GrCachedLayer* layer = &(*iter);
         SkASSERT(0 == layer->uses());
         this->unlock(layer);
         delete layer;
     }
 
     SkASSERT(0 == fPictureHash.count());
 
     // The atlas only lets go of its texture when the atlas is deleted.
-    fAtlas.reset();
+    fAtlas.free();
 }
 
 void GrLayerCache::initAtlas() {
     SkASSERT(nullptr == fAtlas.get());
     GR_STATIC_ASSERT(kNumPlotsX*kNumPlotsX == GrPictureInfo::kNumPlots);
 
     SkISize textureSize = SkISize::Make(kAtlasTextureWidth, kAtlasTextureHeight);
     fAtlas.reset(new GrLayerAtlas(fContext->textureProvider(), kSkia8888_GrPixelConfig,
                                   kRenderTarget_GrSurfaceFlag, textureSize,
                                   kNumPlotsX, kNumPlotsY));
@@ skipping 436 matching lines @@
         fileName.appendf("\\%d", layer->fKey.pictureID());
         for (int i = 0; i < layer->fKey.keySize(); ++i) {
             fileName.appendf("-%d", layer->fKey.key()[i]);
         }
         fileName.appendf(".png");
 
         layer->texture()->surfacePriv().savePixels(fileName.c_str());
     }
 }
 #endif