Second wave of Win64 warning cleanup

src/gpu/GrAtlas.h

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrAtlas_DEFINED
 #define GrAtlas_DEFINED
@@ skipping 36 matching lines @@
 
     // for recycling
     GrDrawTarget::DrawToken fDrawToken;
 
     GrPlot*                 fNext;
 
     GrTexture*              fTexture;
     GrRectanizer*           fRects;
     GrAtlasMgr*             fAtlasMgr;
     GrIPoint16              fOffset;
-    int                     fBytesPerPixel;
+    size_t                  fBytesPerPixel;
 
     friend class GrAtlasMgr;
 };
 
 class GrAtlasMgr {
 public:
     GrAtlasMgr(GrGpu*, GrPixelConfig);
     ~GrAtlasMgr();
 
     // add subimage of width, height dimensions to atlas
@@ skipping 32 matching lines @@
     bool isEmpty() { return NULL == fPlots; }
 
 private:
     GrPlot*     fPlots;
     GrAtlasMgr* fAtlasMgr;
 
     friend class GrAtlasMgr;
 };
 
 #endif