Remove Utf8InputBuffer

src/scanner.h

Index: src/scanner.h
diff --git a/src/scanner.h b/src/scanner.h
index 4de413b88538f52216ae8a907bdb8d7edb27f0ad..6036833b1e4713c071a4195af1ed74955f00d9bf 100644
--- a/src/scanner.h
+++ b/src/scanner.h
@@ -145,7 +145,7 @@ class UnicodeCache {
 // Caching predicates used by scanners.
  public:
   UnicodeCache() {}
-  typedef unibrow::Utf8InputBuffer<1024> Utf8Decoder;
+  typedef unibrow::Utf8Decoder<512> Utf8Decoder;
 
   StaticResource<Utf8Decoder>* utf8_decoder() {
     return &utf8_decoder_;
@@ -315,8 +315,6 @@ class Scanner {
   // -1 is outside of the range of any real source code.
   static const int kNoOctalLocation = -1;
 
-  typedef unibrow::Utf8InputBuffer<1024> Utf8Decoder;
-
   explicit Scanner(UnicodeCache* scanner_contants);
 
   void Initialize(Utf16CharacterStream* source);