DM warning-free on win64

gm/dftext.cpp

 /*
  * Copyright 2011 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 "Resources.h"
 #include "SkCanvas.h"
 #include "SkStream.h"
@@ skipping 120 matching lines @@
             canvas->drawText(text, textLen, 0, 0, paint);
             y += paint.getFontMetrics(NULL)*scaleFactor;
         }
 
         // check pos text
         {
             SkAutoCanvasRestore acr(canvas, true);
 
             canvas->scale(2.0f, 2.0f);
 
-            SkAutoTArray<SkPoint>  pos(textLen);
-            SkAutoTArray<SkScalar> widths(textLen);
+            SkAutoTArray<SkPoint>  pos(SkToInt(textLen));
+            SkAutoTArray<SkScalar> widths(SkToInt(textLen));
             paint.setTextSize(textSizes[0]);
 
             paint.getTextWidths(text, textLen, &widths[0]);
 
             SkScalar x = SkIntToScalar(340);
             SkScalar y = SkIntToScalar(75);
             for (unsigned int i = 0; i < textLen; ++i) {
                 pos[i].set(x, y);
                 x += widths[i];
             }
@@ skipping 63 matching lines @@
 #endif
     }
 
 private:
     SkTypeface* fTypeface;
 
     typedef skiagm::GM INHERITED;
 };
 
 DEF_GM( return SkNEW(DFTextGM); )