Add a working SkFontMgr_fontconfig.

tests/FontNamesTest.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCommandLineFlags.h"
 #include "SkFontMgr.h"
 #include "SkOTTable_name.h"
@@ skipping 134 matching lines @@
     SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault());
     int count = SkMin32(fm->countFamilies(), MAX_FAMILIES);
     for (int i = 0; i < count; ++i) {
         SkAutoTUnref<SkFontStyleSet> set(fm->createStyleSet(i));
         for (int j = 0; j < set->count(); ++j) {
             SkString sname;
             SkFontStyle fs;
             set->getStyle(j, &fs, &sname);
 
             SkAutoTUnref<SkTypeface> typeface(set->createTypeface(j));
-            if (NULL == typeface.get()) {
-                //TODO: SkFontMgr_fontconfig always returns NULL?
-                continue;
-            }
 
             SkString familyName;
             typeface->getFamilyName(&familyName);
             if (verbose) {
                 SkDebugf("[%s]\n", familyName.c_str());
             }
 
             SkAutoTUnref<SkTypeface::LocalizedStrings> familyNamesIter(
                 typeface->createFamilyNameIterator());
             SkTypeface::LocalizedString familyNameLocalized;
             while (familyNamesIter->next(&familyNameLocalized)) {
                 if (verbose) {
                     SkDebugf("(%s) <%s>\n", familyNameLocalized.fString.c_str(),
-                                          familyNameLocalized.fLanguage.c_str());
+                                            familyNameLocalized.fLanguage.c_str());
                 }
             }
 
             size_t nameTableSize = typeface->getTableSize(nameTag);
             if (0 == nameTableSize) {
                 continue;
             }
             SkAutoTMalloc<uint8_t> nameTableData(nameTableSize);
             size_t copied = typeface->getTableData(nameTag, 0, nameTableSize, nameTableData.get());
             if (copied != nameTableSize) {
@@ skipping 31 matching lines @@
         }
     }
 }
 
 DEFINE_bool(verboseFontNames, false, "verbose FontNames test.");
 
 DEF_TEST(FontNames, reporter) {
     test_synthetic(reporter, FLAGS_verboseFontNames);
     test_systemfonts(reporter, FLAGS_verboseFontNames);
 }