DM warning-free on win64

tests/PaintTest.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 "SkBlurMask.h"
 #include "SkBlurMaskFilter.h"
 #include "SkLayerDrawLooper.h"
 #include "SkPaint.h"
 #include "SkPath.h"
 #include "SkRandom.h"
 #include "SkReadBuffer.h"
 #include "SkTypeface.h"
 #include "SkUtils.h"
 #include "SkWriteBuffer.h"
 #include "SkXfermode.h"
 #include "Test.h"
 
 static size_t uni_to_utf8(const SkUnichar src[], void* dst, int count) {
     char* u8 = (char*)dst;
     for (int i = 0; i < count; ++i) {
-        int n = SkUTF8_FromUnichar(src[i], u8);
+        int n = SkToInt(SkUTF8_FromUnichar(src[i], u8));
         u8 += n;
     }
     return u8 - (char*)dst;
 }
 
 static size_t uni_to_utf16(const SkUnichar src[], void* dst, int count) {
     uint16_t* u16 = (uint16_t*)dst;
     for (int i = 0; i < count; ++i) {
-        int n = SkUTF16_FromUnichar(src[i], u16);
+        int n = SkToInt(SkUTF16_FromUnichar(src[i], u16));
         u16 += n;
     }
     return (char*)u16 - (char*)dst;
 }
 
 static size_t uni_to_utf32(const SkUnichar src[], void* dst, int count) {
     SkUnichar* u32 = (SkUnichar*)dst;
     if (src != u32) {
         memcpy(u32, src, count * sizeof(SkUnichar));
     }
@@ skipping 320 matching lines @@
     SkColorMatrix cm;
     cm.setIdentity();   // does not change alpha
     paint.setColorFilter(SkColorMatrixFilter::Create(cm))->unref();
     REPORTER_ASSERT(r, paint.nothingToDraw());
 
     cm.postTranslate(0, 0, 0, 1);    // wacks alpha
     paint.setColorFilter(SkColorMatrixFilter::Create(cm))->unref();
     REPORTER_ASSERT(r, !paint.nothingToDraw());
 }