Add PS 'all' weight name to scanFont.

src/ports/SkFontHost_FreeType.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 "SkAdvancedTypefaceMetrics.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
@@ skipping 1663 matching lines @@
     TT_OS2* os2 = static_cast<TT_OS2*>(FT_Get_Sfnt_Table(face, ft_sfnt_os2));
     if (os2 && os2->version != 0xffff) {
         weight = os2->usWeightClass;
         width = os2->usWidthClass;
     } else if (0 == FT_Get_PS_Font_Info(face, &psFontInfo) && psFontInfo.weight) {
         static const struct {
             char const * const name;
             int const weight;
         } commonWeights [] = {
             // There are probably more common names, but these are known to exist.
+            { "all", SkFontStyle::kNormal_Weight }, // Multiple Masters usually default to normal.
             { "black", SkFontStyle::kBlack_Weight },
             { "bold", SkFontStyle::kBold_Weight },
             { "book", (SkFontStyle::kNormal_Weight + SkFontStyle::kLight_Weight)/2 },
             { "demi", SkFontStyle::kSemiBold_Weight },
             { "demibold", SkFontStyle::kSemiBold_Weight },
             { "extra", SkFontStyle::kExtraBold_Weight },
             { "extrabold", SkFontStyle::kExtraBold_Weight },
             { "extralight", SkFontStyle::kExtraLight_Weight },
             { "hairline", SkFontStyle::kThin_Weight },
             { "heavy", SkFontStyle::kBlack_Weight },
@@ skipping 27 matching lines @@
     if (style) {
         *style = SkFontStyle(weight, width, slant);
     }
     if (isFixedPitch) {
         *isFixedPitch = FT_IS_FIXED_WIDTH(face);
     }
 
     FT_Done_Face(face);
     return true;
 }