Add layer counting to SkPictureRecord

src/gpu/SkGpuDevice.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 "SkGpuDevice.h"
 
 #include "effects/GrBicubicEffect.h"
@@ skipping 1832 matching lines @@
     }
 }
 
 SkSurface* SkGpuDevice::newSurface(const SkImageInfo& info) {
     return SkSurface::NewRenderTarget(fContext, info, fRenderTarget->numSamples());
 }
 
 void SkGpuDevice::EXPERIMENTAL_optimize(const SkPicture* picture) {
     fContext->getLayerCache()->processDeletedPictures();
 
+    if (NULL != picture->fData.get() && !picture->fData->suitableForLayerOptimization()) {
+        return;
+    }
+
     SkPicture::AccelData::Key key = GPUAccelData::ComputeAccelDataKey();
 
     const SkPicture::AccelData* existing = picture->EXPERIMENTAL_getAccelData(key);
     if (NULL != existing) {
         return;
     }
 
     SkAutoTUnref<GPUAccelData> data(SkNEW_ARGS(GPUAccelData, (key)));
 
     picture->EXPERIMENTAL_addAccelData(data);
@@ skipping 267 matching lines @@
     }
 
     return true;
 }
 
 SkImageFilter::Cache* SkGpuDevice::getImageFilterCache() {
     // We always return a transient cache, so it is freed after each
     // filter traversal.
     return SkImageFilter::Cache::Create(kDefaultImageFilterCacheSize);
 }