extend FontConfigInterface to start to match new fontmgr design

trunk/src/ports/SkFontConfigInterface_direct.cpp

 /*
  * Copyright 2009 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /* migrated from chrome/src/skia/ext/SkFontHost_fontconfig_direct.cpp */
 
 #include <string>
@@ skipping 22 matching lines @@
 };
 
 SkFontConfigInterface* SkFontConfigInterface::GetSingletonDirectInterface() {
     static SkFontConfigInterface* gDirect;
     if (NULL == gDirect) {
         gDirect = new SkFontConfigInterfaceDirect;
     }
     return gDirect;
 }
 
+int SkFontConfigInterface::countFamilies() { return 0; }
+
+int SkFontConfigInterface::getFamilySet(int index, SkString* outFamilyName,
+                                        Style style[], int maxCount) {
+    return 0;
+}
+
+int SkFontConfigInterface::matchFamilySet(const char familyName[],
+                                          SkString* outFamilyName,
+                                          Style styles[], int maxCount) {
+    return 0;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
 namespace {
 
 // Equivalence classes, used to match the Liberation and other fonts
 // with their metric-compatible replacements.  See the discussion in
 // GetFontEquivClass().
 enum FontEquivClass
 {
     OTHER,
     SANS,
     SERIF,
@@ skipping 369 matching lines @@
     }
     if (outStyle) {
         *outStyle = GetFontStyle(match);
     }
     return true;
 }
 
 SkStream* SkFontConfigInterfaceDirect::openStream(const FontIdentity& identity) {
     return SkStream::NewFromFile(identity.fString.c_str());
 }