add dummpy SkFontMgr::Factory() impl to font backends, so we can start testing it

trunk/src/ports/SkFontHost_none.cpp

 
 /*
  * Copyright 2008 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 "SkFontHost.h"
 #include "SkScalerContext.h"
 
 SkTypeface* SkFontHost::CreateTypeface(const SkTypeface* familyFace,
                                      const char famillyName[],
                                      SkTypeface::Style style) {
     SkDEBUGFAIL("SkFontHost::FindTypeface unimplemented");
     return NULL;
 }
 
 SkTypeface* SkFontHost::CreateTypefaceFromStream(SkStream*) {
     SkDEBUGFAIL("SkFontHost::CreateTypeface unimplemented");
     return NULL;
 }
 
 SkTypeface* SkFontHost::CreateTypefaceFromFile(char const*) {
     SkDEBUGFAIL("SkFontHost::CreateTypefaceFromFile unimplemented");
     return NULL;
 }
+
+///////////////////////////////////////////////////////////////////////////////
+
+#include "SkFontMgr.h"
+
+SkFontMgr* SkFontMgr::Factory() {
+    // todo
+    return NULL;
+}