fix more 64bit warnings

gm/polygons.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 "SkPath.h"
 #include "SkRandom.h"
 #include "SkScalar.h"
 #include "SkTArray.h"
 
 namespace skiagm {
 
 // This GM tests a grab-bag of convex and concave polygons. They are triangles,
 // trapezoid, diamond, polygons with lots of edges, several concave polygons...
 // But rectangles are excluded.
 class PolygonsGM: public GM {
 public:
     PolygonsGM() {}
 
 protected:
     virtual SkString onShortName() SK_OVERRIDE {
         return SkString("polygons");
     }
 
     virtual SkISize onISize() SK_OVERRIDE {
-        size_t width = kNumPolygons * kCellSize + 40;
-        size_t height = (kNumJoins * kNumStrokeWidths + kNumExtraStyles) * kCellSize + 40;
+        int width = kNumPolygons * kCellSize + 40;
+        int height = (kNumJoins * kNumStrokeWidths + kNumExtraStyles) * kCellSize + 40;
         return SkISize::Make(width, height);
     }
 
     // Construct all polygons
     virtual void onOnceBeforeDraw() SK_OVERRIDE {
         SkPoint p0[] = {{0, 0}, {60, 0}, {90, 40}};  // triangle
         SkPoint p1[] = {{0, 0}, {0, 40}, {60, 40}, {40, 0}};  // trapezoid
         SkPoint p2[] = {{0, 0}, {40, 40}, {80, 40}, {40, 0}};  // diamond
         SkPoint p3[] = {{10, 0}, {50, 0}, {60, 10}, {60, 30}, {50, 40},
                         {10, 40}, {0, 30}, {0, 10}};  // octagon
@@ skipping 117 matching lines @@
 
     SkTArray<SkPath> fPolygons;
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new PolygonsGM;)
 
 }