Second wave of Win64 warning cleanup

src/ports/SkFontHost_win.cpp

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkAdvancedTypefaceMetrics.h"
 #include "SkBase64.h"
@@ skipping 2136 matching lines @@
     LOGFONT lf = fLogFont;
 
     HDC hdc = ::CreateCompatibleDC(NULL);
     HFONT font = CreateFontIndirect(&lf);
     HFONT savefont = (HFONT)SelectObject(hdc, font);
 
     tag = SkEndian_SwapBE32(tag);
     if (NULL == data) {
         length = 0;
     }
-    DWORD bufferSize = GetFontData(hdc, tag, offset, data, length);
+    DWORD bufferSize = GetFontData(hdc, tag, (DWORD) offset, data, (DWORD) length);
     if (bufferSize == GDI_ERROR) {
         call_ensure_accessible(lf);
-        bufferSize = GetFontData(hdc, tag, offset, data, length);
+        bufferSize = GetFontData(hdc, tag, (DWORD) offset, data, (DWORD) length);
     }
 
     SelectObject(hdc, savefont);
     DeleteObject(font);
     DeleteDC(hdc);
 
     return bufferSize == GDI_ERROR ? 0 : bufferSize;
 }
 
 SkScalerContext* LogFontTypeface::onCreateScalerContext(const SkDescriptor* desc) const {
@@ skipping 256 matching lines @@
 
 SkTypeface* SkFontHost::CreateTypefaceFromStream(SkStream* stream) {
     return create_from_stream(stream);
 }
 
 #endif
 
 SkFontMgr* SkFontMgr_New_GDI() {
     return SkNEW(SkFontMgrGDI);
 }