initialize font metrics for pdf (found by valgrind)

src/fonts/SkTestScalerContext.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * 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 127 matching lines @@
 void SkTestTypeface::onFilterRec(SkScalerContextRec* rec) const {
     rec->setHinting(SkPaint::kNo_Hinting);
 }
 
 SkAdvancedTypefaceMetrics* SkTestTypeface::onGetAdvancedTypefaceMetrics(
                                 PerGlyphInfo ,
                                 const uint32_t* glyphIDs,
                                 uint32_t glyphIDsCount) const {
 // pdf only
     SkAdvancedTypefaceMetrics* info = new SkAdvancedTypefaceMetrics;
+    info->fFontName.set(fTestFont->fName);
+    info->fType = SkAdvancedTypefaceMetrics::kOther_Font;
+    info->fFlags = SkAdvancedTypefaceMetrics::kEmpty_FontFlag;
+    info->fLastGlyphID = static_cast<uint16_t>(fTestFont->fCharCodesCount - 1);
     info->fEmSize = 0;
     info->fLastGlyphID = SkToU16(onCountGlyphs() - 1);

[hal.canary, 2015/06/11 15:55:44]

info->fLastGlyphID gets set twice.

     info->fStyle = 0;
-    info->fFontName.set(fTestFont->fName);
-    info->fType = SkAdvancedTypefaceMetrics::kOther_Font;
     info->fItalicAngle = 0;
     info->fAscent = 0;
     info->fDescent = 0;
     info->fStemV = 0;
     info->fCapHeight = 0;
     info->fBBox = SkIRect::MakeEmpty();
     return info;
 }
 
 void SkTestTypeface::onGetFontDescriptor(SkFontDescriptor* desc, bool* isLocal) const {
@@ skipping 121 matching lines @@
     }
 
 private:
     SkTestTypeface*  fFace;
     SkMatrix         fMatrix;
 };
 
 SkScalerContext* SkTestTypeface::onCreateScalerContext(const SkDescriptor* desc) const {
     return SkNEW_ARGS(SkTestScalerContext, (const_cast<SkTestTypeface*>(this), desc));
 }