pdfviewer: more plumming for soft masks

experimental/PdfViewer/SkPdfFont.h

 #ifndef __DEFINED__SkPdfFont
 #define __DEFINED__SkPdfFont
 
 #include "SkPdfHeaders_autogen.h"
 #include "SkPdfMapper_autogen.h"
 
 #include <map>
 #include <string>
 
 #include "SkTypeface.h"
@@ skipping 29 matching lines @@
 SkTypeface* SkTypefaceFromPdfStandardFont(const char* fontName, bool bold, bool italic);
 SkPdfFont* fontFromName(SkNativeParsedPDF* doc, SkPdfObject* obj, const char* fontName);
 
 struct SkUnencodedText {
     void* text;
     int len;
 
 public:
     SkUnencodedText(const SkPdfString* obj) {
         text = (void*)obj->c_str();
-        len = obj->len();
+        len = obj->lenstr();
     }
 };
 
 struct SkDecodedText {
     uint16_t* text;
     int len;
 public:
     unsigned int operator[](int i) const { return text[i]; }
     int size() const { return len; }
 };
@@ skipping 350 matching lines @@
                              SkDoubleToScalar(0.0));
         return fChars[ch - fFirstChar].fWidth;
     }
 
     virtual void afterWord(SkPaint* paint, SkMatrix* matrix) {
 
     }
 };
 
 #endif  // __DEFINED__SkPdfFont