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

trunk/src/ports/SkFontHost_linux.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 "SkFontHost.h"
@@ skipping 499 matching lines @@
         return SkNEW_ARGS(StreamTypeface, (style, false, NULL, stream, isFixedPitch));
     } else {
         return NULL;
     }
 }
 
 SkTypeface* SkFontHost::CreateTypefaceFromFile(const char path[]) {
     SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(path));
     return stream.get() ? CreateTypefaceFromStream(stream) : NULL;
 }
+
+///////////////////////////////////////////////////////////////////////////////
+
+#include "SkFontMgr.h"
+
+SkFontMgr* SkFontMgr::Factory() {
+    // todo
+    return NULL;
+}