Third wave of Win64 warning cleanup

gm/canvasstate.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkCanvas.h"
 #include "SkPaint.h"
@@ skipping 53 matching lines @@
     }
 
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
 
         SkCanvas::SaveFlags flags[] = { SkCanvas::kMatrix_SaveFlag,
                                         SkCanvas::kClip_SaveFlag,
                                         SkCanvas::kMatrixClip_SaveFlag };
 
         // columns -- flags
         // rows -- permutations of setting the clip and matrix
-        for (size_t i = 0; i < SK_ARRAY_COUNT(flags); ++i) {
+        for (int i = 0; i < static_cast<int>(SK_ARRAY_COUNT(flags)); ++i) {
             for (int j = 0; j < 2; ++j) {
                 for (int k = 0; k < 2; ++k) {
                     this->drawTestPattern(i, (2*j)+k, canvas, flags[i],
                                           SkToBool(j), SkToBool(k));
                 }
             }
         }
     }
 
 
@@ skipping 84 matching lines @@
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return SkNEW(CanvasStateGM); )
 DEF_GM( return SkNEW(CanvasLayerStateGM); )
 
 } // end namespace