Start cleaning up 64bit Win warnings

src/ports/SkFontHost_win_dw.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 "SkTypes.h"
 #undef GetGlyphIndices
 
@@ skipping 1442 matching lines @@
 
     SkAutoTArray<UINT16> glyph(count);
     fontFace->GetGlyphIndices(chars.get(), count, glyph.get());
 
     USHORT maxGlyph = 0;
     for (USHORT j = 0; j < count; ++j) {
         if (glyph[j] > maxGlyph) maxGlyph = glyph[j];
     }
 
     glyphToUnicode->setCount(maxGlyph+1);
-    for (size_t j = 0; j < maxGlyph+1u; ++j) {
+    for (USHORT j = 0; j < maxGlyph+1u; ++j) {
         (*glyphToUnicode)[j] = 0;
     }
 
     //'invert'
     for (USHORT j = 0; j < count; ++j) {
         if (glyph[j] < glyphCount && (*glyphToUnicode)[glyph[j]] == 0) {
             (*glyphToUnicode)[glyph[j]] = chars[j];
         }
     }
 }
@@ skipping 456 matching lines @@
         SK_TRACEHR(hr, "Could not get GetUserDefaultLocaleName.");
     } else {
         localeNameLen = getUserDefaultLocaleNameProc(localeNameStorage, LOCALE_NAME_MAX_LENGTH);
         if (localeNameLen) {
             localeName = localeNameStorage;
         };
     }
 
     return SkNEW_ARGS(SkFontMgr_DirectWrite, (sysFontCollection.get(), localeName, localeNameLen));
 }