Remove unused SaveLayerInfo::fValid field

src/gpu/GrPictureUtils.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 "GrPictureUtils.h"
 
 #include "SkPaintPriv.h"
@@ skipping 102 matching lines @@
             // TODO: need to store an SkRect in GrAccelData::SaveLayerInfo?
             SkRect srcRect = SkRect::MakeXYWH(SkIntToScalar(src.fOffset.fX),
                                               SkIntToScalar(src.fOffset.fY),
                                               SkIntToScalar(src.fSize.width()),
                                               SkIntToScalar(src.fSize.height()));
             SkIRect newClip(fCurrentClipBounds);
             newClip.intersect(this->adjustAndMap(srcRect, dp.paint));
 
             GrAccelData::SaveLayerInfo& dst = fAccelData->addSaveLayerInfo();
 
-            dst.fValid = true;
             // If src.fPicture is NULL the layer is in dp.picture; otherwise
             // it belongs to a sub-picture.
             dst.fPicture = src.fPicture ? src.fPicture : static_cast<const SkPicture*>(dp.picture);
             dst.fPicture->ref();
             dst.fSize = SkISize::Make(newClip.width(), newClip.height());
             dst.fOffset = SkIPoint::Make(newClip.fLeft, newClip.fTop);
             dst.fOriginXform = src.fOriginXform;
             dst.fOriginXform.postConcat(*fCTM);
             if (src.fPaint) {
                 dst.fPaint = SkNEW_ARGS(SkPaint, (*src.fPaint));
@@ skipping 40 matching lines @@
         fSaveStack.pop(&si);
 
         if (!si.fIsSaveLayer) {
             return;
         }
 
         --fSaveLayersInStack;
 
         GrAccelData::SaveLayerInfo& slInfo = fAccelData->addSaveLayerInfo();
 
-        slInfo.fValid = true;
         SkASSERT(NULL == slInfo.fPicture);  // This layer is in the top-most picture
         slInfo.fSize = SkISize::Make(si.fBounds.width(), si.fBounds.height());
         slInfo.fOffset = SkIPoint::Make(si.fBounds.fLeft, si.fBounds.fTop);
         slInfo.fOriginXform = *fCTM;
         if (si.fPaint) {
             slInfo.fPaint = SkNEW_ARGS(SkPaint, (*si.fPaint));
         }
         slInfo.fSaveLayerOpID = si.fStartIndex;
         slInfo.fRestoreOpID = fCurrentOp;
         slInfo.fHasNestedLayers = si.fHasNestedSaveLayer;
@@ skipping 61 matching lines @@
     }
 
     SkAutoTUnref<GrAccelData> data(SkNEW_ARGS(GrAccelData, (key)));
 
     pict->EXPERIMENTAL_addAccelData(data);
 
     CollectLayers collector(pict, data);
 
     return data;
 }