[OTS] Make standalone tools compile on Mac

test/idempotent.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if !defined(_WIN32)
 #ifdef __linux__
 // Linux
 #include <freetype/ftoutln.h>
 #include <ft2build.h>
 #include FT_FREETYPE_H
@@ skipping 92 matching lines @@
   if (error) {
     return false;
   }
   ::FT_Done_Face(dummy);
   return true;
 }
 
 #elif defined(__APPLE_CC__)
 // Mac
 bool VerifyTranscodedFont(uint8_t *result, const size_t len) {
-  ATSFontContainerRef container_ref = 0;
-  ATSFontActivateFromMemory(result, len, 3, kATSFontFormatUnspecified,
-                            NULL, kATSOptionFlagsDefault, &container_ref);
-  if (!container_ref) {
+  CFDataRef data = CFDataCreate(0, result, len);
+  if (!data) {
     return false;
   }
 
-  ItemCount count;
-  ATSFontFindFromContainer(
-      container_ref, kATSOptionFlagsDefault, 0, NULL, &count);
-  if (!count) {
+  CGDataProviderRef dataProvider = CGDataProviderCreateWithCFData(data);
+  CGFontRef cgFontRef = CGFontCreateWithDataProvider(dataProvider);
+  CGDataProviderRelease(dataProvider);
+  CFRelease(data);
+  if (!cgFontRef) {
     return false;
   }
 
-  ATSFontRef ats_font_ref = 0;
-  ATSFontFindFromContainer(
-      container_ref, kATSOptionFlagsDefault, 1, &ats_font_ref, NULL);
-  if (!ats_font_ref) {
-    return false;
-  }
-
-  CTFontRef ct_font_ref = CTFontCreateWithPlatformFont(ats_font_ref, 12,
-                                                       NULL, NULL);
-  if (!CTFontGetGlyphCount(ct_font_ref)) {
+  size_t numGlyphs = CGFontGetNumberOfGlyphs(cgFontRef);
+  CGFontRelease(cgFontRef);
+  if (!numGlyphs) {
     return false;
   }
   return true;
 }
 
 #elif defined(_WIN32)
 // Windows
 bool VerifyTranscodedFont(uint8_t *result, const size_t len) {
   DWORD num_fonts = 0;
   HANDLE handle = AddFontMemResourceEx(result, len, 0, &num_fonts);
@@ skipping 69 matching lines @@
 
   // Verify that the transcoded font can be opened by the font renderer for
   // Linux (FreeType2), Mac OS X, or Windows.
   if (!VerifyTranscodedFont(result, result_len)) {
     std::fprintf(stderr, "Failed to verify the transcoded font\n");
     return 1;
   }
 
   return 0;
 }