Add layer counting to SkPictureRecord

src/core/SkPictureData.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 <new>
 #include "SkBBoxHierarchy.h"
 #include "SkDrawPictureCallback.h"
 #include "SkPictureData.h"
@@ skipping 666 matching lines @@
                                                 GrPixelConfig config, SkScalar dpi) const {
 
     if (context != NULL) {
         return this->suitableForGpuRasterization(context, reason,
                                                  context->getRecommendedSampleCount(config, dpi));
     } else {
         return this->suitableForGpuRasterization(NULL, reason);
     }
 }
 
+bool SkPictureData::suitableForLayerOptimization() const {
+    return fContentInfo.numLayers() > 0;
+}
 #endif
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifdef SK_DEBUG_SIZE
 int SkPictureData::size(size_t* sizePtr) {
     int objects = bitmaps(sizePtr);
     objects += paints(sizePtr);
     objects += paths(sizePtr);
     objects += pictures(sizePtr);
     objects += regions(sizePtr);
@@ skipping 491 matching lines @@
     for (index = 0; index < fPictureCount; index++)
         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
             "picture%p, ", fPictureRefs[index]);
     if (fPictureCount > 0)
         SkDebugf("%s0};\n", pBuffer);
 
     const_cast<SkPictureData*>(this)->dumpStream();
 }
 
 #endif