Update fontMgr to take list of bcp47 language tags.

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"
@@ skipping 13 matching lines @@
     return x + paint.measureText(text.c_str(), text.size());
 }
 
 static SkScalar drawCharacter(SkCanvas* canvas, uint32_t character, SkScalar x,
                               SkScalar y, SkPaint& paint, SkFontMgr* fm,
                               const char* fontName, const char* bpc47,
                               const SkFontStyle& fontStyle) {
     // find typeface containing the requested character and draw it
     SkString ch;
     ch.appendUnichar(character);
-    SkTypeface* typeface = fm->matchFamilyStyleCharacter(fontName, fontStyle, bpc47, character);
+    SkTypeface* typeface = fm->matchFamilyStyleCharacter(fontName, fontStyle, &bpc47, 1, character);
     SkSafeUnref(paint.setTypeface(typeface));
     x = drawString(canvas, ch, x, y, paint) + 20;
 
     if (NULL == typeface) {
         return x;
     }
 
     // repeat the process, but this time use the family name of the typeface
     // from the first pass.  This emulates the behavior in Blink where it
     // it expects to get the same glyph when following this pattern.
@@ skipping 176 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