pdfviewer: code cleanup - remove STL usage

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"
 #include "SkUtils.h"
 #include "SkPdfGraphicsState.h"
 #include "SkPdfUtils.h"
-
+#include "SkTDict.h"
 
 class SkPdfType0Font;
 class SkPdfType1Font;
 class SkPdfType3Font;
 class SkPdfTrueTypeFont;
 class SkPdfMultiMasterFont;
 class SkPdfFont;
 
 struct SkPdfStandardFontEntry {
     // We don't own this pointer!
     const char* fName;
     bool fIsBold;
     bool fIsItalic;
     SkPdfStandardFontEntry()
     : fName(NULL),
       fIsBold(false),
       fIsItalic(false) {}
 
     SkPdfStandardFontEntry(const char* name, bool bold, bool italic)
         : fName(name),
           fIsBold(bold),
           fIsItalic(italic) {}
 };
 
-std::map<std::string, SkPdfStandardFontEntry>& getStandardFonts();
+SkTDict<SkPdfStandardFontEntry>& getStandardFonts();
 SkTypeface* SkTypefaceFromPdfStandardFont(const char* fontName, bool bold, bool italic);
 SkPdfFont* fontFromName(SkPdfNativeDoc* doc, SkPdfNativeObject* obj, const char* fontName);
 
 struct SkUnencodedText {
     void* text;
     int len;
 
 public:
     SkUnencodedText(const SkPdfString* obj) {
         text = (void*)obj->c_str();
@@ skipping 17 matching lines @@
     unsigned int operator[](int i) const { return text[i]; }
     int size() const { return len; }
 };
 
 class SkPdfEncoding {
 public:
     virtual bool decodeText(const SkUnencodedText& textIn, SkDecodedText* textOut) const = 0;
     static SkPdfEncoding* fromName(const char* name);
 };
 
-std::map<std::string, SkPdfEncoding*>& getStandardEncodings();
+SkTDict<SkPdfEncoding*>& getStandardEncodings();
 
 class SkPdfToUnicode {
     SkPdfNativeDoc* fParsed;
     // TODO(edisonn): hide public members
 public:
     unsigned short* fCMapEncoding;
     unsigned char* fCMapEncodingFlag;
 
     SkPdfToUnicode(SkPdfNativeDoc* parsed, SkPdfStream* stream);
 };
@@ skipping 349 matching lines @@
                              SkDoubleToScalar(0.0));
         return fChars[ch - fFirstChar].fWidth;
     }
 
     virtual void afterWord(SkPaint* paint, SkMatrix* matrix) {
 
     }
 };
 
 #endif  // __DEFINED__SkPdfFont