export SkFontMgr_New_... experimental functions for testing in chrome

gm/fontmgr.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 "gm.h"
 #include "SkCanvas.h"
 #include "SkFontMgr.h"
 #include "SkGraphics.h"
 #include "SkTypeface.h"
 
 #ifdef SK_BUILD_FOR_WIN
-    extern SkFontMgr* SkFontMgr_New_GDI();
-    extern SkFontMgr* SkFontMgr_New_DirectWrite();
+    #include "SkTypeface_win.h"
 #endif
 
 // limit this just so we don't take too long to draw
 #define MAX_FAMILIES    30
 
 static SkScalar drawString(SkCanvas* canvas, const SkString& text, SkScalar x,
                            SkScalar y, const SkPaint& paint) {
     canvas->drawText(text.c_str(), text.size(), x, y, paint);
     return x + paint.measureText(text.c_str(), text.size());
 }
@@ skipping 166 matching lines @@
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return SkNEW(FontMgrGM); )
 DEF_GM( return SkNEW(FontMgrMatchGM); )
 
 #ifdef SK_BUILD_FOR_WIN
     DEF_GM( return SkNEW_ARGS(FontMgrGM, (SkFontMgr_New_DirectWrite)); )
 #endif