Remove unused SaveLayerInfo::fValid field

src/gpu/GrPictureUtils.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrPictureUtils_DEFINED
 #define GrPictureUtils_DEFINED
 
 #include "SkPicture.h"
 #include "SkTArray.h"
 
 // This class encapsulates the GPU-backend-specific acceleration data
 // for a single SkPicture
 class GrAccelData : public SkPicture::AccelData {
 public:
     // Information about a given saveLayer in an SkPicture
     class SaveLayerInfo {
     public:
         SaveLayerInfo() : fPicture(NULL), fPaint(NULL) {}
         ~SaveLayerInfo() { SkSafeUnref(fPicture); SkDELETE(fPaint); }
 
-        // True if the SaveLayerInfo is valid. False if 'fOffset' is
-        // invalid (due to a non-invertible CTM).
-        // TODO: remove fValid
-        bool fValid;
         // The picture owning the layer. If the owning picture is the top-most
         // one (i.e., the picture for which this GrAccelData was created) then
         // this pointer is NULL. If it is a nested picture then the pointer
         // is non-NULL and owns a ref on the picture.
         const SkPicture* fPicture;
         // The size of the saveLayer
         SkISize fSize;
         // The matrix state in which this layer's draws must occur. It does not
         // include the translation needed to map the layer's top-left point to the origin.
         SkMatrix fOriginXform;
@@ skipping 33 matching lines @@
 
 private:
     SkTArray<SaveLayerInfo, true> fSaveLayerInfo;
 
     typedef SkPicture::AccelData INHERITED;
 };
 
 const GrAccelData* GPUOptimize(const SkPicture* pict);
 
 #endif // GrPictureUtils_DEFINED